This Weizenbock all-grain recipe is designed as a complete 23 L formulation at 75% brewhouse efficiency. Confirm every measured value on your own system and package only after fermentation is complete and gravity is stable.
Weizenbock all-grain recipe: Quick Facts
| Field | Value |
|---|---|
| Style | BJCP 2021, 10C Weizenbock — dark formulation |
| Strength | OG 1.076 | FG 1.016 | 7.9% ABV |
| Colour | 36 EBC (18 SRM) |
| Bitterness | 20 IBU |
| Batch | 23 L (6.1 US gal / 5.1 Imp gal) finished beer at 75% brewhouse efficiency |
Historical and Technical Context
Weizenbock combines the strong malt framework of Bock with the expressive wheat fermentation of Bavarian Weissbier. The dark form is the older and more familiar expression, bringing together wheat bread, banana-and-clove fermentation character and the toasted richness of Munich malt. It is a top-fermented strong wheat beer, not a dark lager with wheat added for foam.
The formulation must accommodate at least half wheat malt while supplying sufficient husk material, enzymatic power and malt depth. A ferulic-acid rest can increase the precursor available for clove-like 4-vinyl guaiacol, while a warm main rest supports full attenuation in a dense wort. The specialised yeast requires a healthy but not excessive pitch and tightly managed temperature so fruit, spice and alcohol remain integrated rather than solvent-like.
Within Bavarian tradition, Weizenbock is a substantial, highly carbonated beer often suited to cool-weather drinking and slow appreciation. Natural haze is acceptable and a towering head is characteristic. Age can soften alcohol and develop dark-fruit nuance, but the best examples preserve fresh wheat, yeast-derived fruit and spice rather than relying on oxidation for complexity.
Technical Parameters
| Parameter | Target | Acceptable Range | Notes |
|---|---|---|---|
| Colour | 36 EBC (18 SRM) | 12–49 EBC (6–25 SRM) | Dark amber to ruby-brown for this explicitly dark interpretation. |
| Bitterness | 20 IBU | 15–30 IBU | Low and supportive; hop aroma should be absent. |
| Body | Full | Medium-full to full | Creamy and fluffy rather than syrupy. |
| Alcohol Strength | 7.9% ABV | 6.5–9.0% ABV | From OG 1.076 and FG 1.016; warmth should remain smooth. |
| Carbonation | 3.0 vol CO₂ | 2.7–3.3 vol CO₂ | High but kept at a level suitable for explicitly pressure-rated wheat-beer bottles. |
| Original Gravity | 1.076 OG | 1.064–1.090 OG | Strong wheat wort requiring careful oxygenation and pitch preparation. |
| Final Gravity | 1.016 FG | 1.015–1.022 FG | Full but well attenuated; package only after 72-hour stability. |
| Apparent Attenuation | 79% | 67–82% | The target is calculated from the stated OG and FG. |
| Final pH | 4.25 | 4.05–4.45 | A mild tart edge can refresh the beer, but obvious sourness is a fault. |
| Serving Temperature | 10 °C (50 °F) | 9–12 °C (48–54 °F) | Releases fruit and toast while containing alcohol warmth. |
Sensory Profile
Visual
Dark amber to ruby-brown beer supports a very large, mousse-like, persistent light-tan head. Yeast and wheat proteins can leave an attractive haze, though the beer may clear during extended ageing. Vigorous effervescence and a creamy texture distinguish it from a still strong ale.
Aroma
Rich wheat bread and toasted Munich malt mingle with ripe banana, clove, dark fruit and a touch of vanilla. Alcohol is evident only as smooth warmth. Hop aroma, smoke, sourness and bubblegum excess are absent, and dark malt never becomes burnt or coffee-like.
Taste
The first impression is broad wheat-and-bread richness, followed by banana, clove, toasted crust and restrained raisin-like malt. High carbonation lifts the full body, and adequate attenuation keeps the finish from becoming sticky. Bitterness is low, alcohol smooth, and the long aftertaste combines fruit, spice and Maillard depth.
Food Pairings
| Category | Suggested Dishes | Pairing Principle |
|---|---|---|
| Bavarian-style dishes | Roast pork, dumplings, glazed ham | Wheat, toast and carbonation complement rich meat and browned crust. |
| Game | Roast duck, venison with fruit sauce, hare stew | Dark fruit and warming malt meet robust meat while bubbles cleanse fat. |
| Cheese | Washed-rind cheese, mature alpine cheese, blue cheese | Strength and carbonation match pungency; fruit and clove add contrast. |
| Dessert | Banana bread, plum cake, spiced bread pudding | Fermentation fruit and baking spice resonate, with controlled dessert sweetness. |
| Vegetarian | Roast squash with sage, mushroom strudel, caramelised onion tart | Toasted malt deepens earthy and caramelised flavours. |
Malts and Fermentables
| Malt or Fermentable | Quantity | Percentage | Function | Notes |
|---|---|---|---|---|
| Pale wheat malt | 3.60 kg (7.94 lb) | 53.7% | Defining wheat base | Bread dough, protein-rich body and foam. |
| Light Munich malt | 1.60 kg (3.53 lb) | 23.9% | Bock-like malt richness | Toasted bread and crust. |
| Vienna malt | 750 g (1.65 lb) | 11.2% | Fermentable toast | Biscuit and gentle honey. |
| Dark wheat malt | 400 g (14.1 oz) | 6.0% | Dark wheat continuity | Wholemeal bread and deeper grain. |
| Medium-dark caramel Munich-style malt | 250 g (8.8 oz) | 3.7% | Colour and dark-fruit support | Light raisin and caramel without stickiness. |
| Dehusked roasted malt | 100 g (3.5 oz) | 1.5% | Ruby-brown colour adjustment | Minimal roast flavour. |
Malt notes: The 6.70 kg (14.77 lb) grist contains 59.7% wheat malt when pale and dark wheat are combined. Add 200–300 g (7.1–10.6 oz) of rice hulls to the mash if the lauter tun is prone to compaction; they supply no extract and are therefore not included in the malt percentages. Avoid heavy roasted grain, because coffee or burnt flavours conflict with the intended rich wheat-and-Munich profile.
Hopping Schedule
| Hop | Quantity | Time | Alpha Acids | Function | Contribution |
|---|---|---|---|---|---|
| Magnum | 18 g (0.63 oz) | 60 min | 12.0% AA | Neutral base bitterness | ~19 IBU |
| Hallertau Mittelfrüh | 12 g (0.42 oz) | 10 min | 4.0% AA | Near-threshold spicy balance | ~1 IBU |
Yeast, Microbiology and Adjuncts
| Component | Quantity | Function | Technical Notes |
|---|---|---|---|
| Primary yeast: expressive Bavarian wheat strain | Approximately 300–350 billion viable cells, commonly 2 fresh 11–12 g packets (0.78–0.85 oz total) or an equivalent starter | Banana-and-clove top fermentation | Use a strain with good alcohol tolerance; do not severely underpitch a 1.076 wort. |
| Alternative yeast: clove-forward wheat strain | Fresh culture sized to about 0.75–0.9 million cells per mL per °P | Drier, more phenolic alternative | Control temperature closely and verify attenuation before packaging. |
| Rice hulls and yeast nutrient | 250 g (8.8 oz) rinsed rice hulls plus complete nutrient at the labelled rate | Lauter support and fermentation resilience | Mix hulls through the grist; add nutrient with 10 minutes left in the boil. |
Detailed Procedure
01 Preparation and Milling
Preparation and Milling — Prepare 40 L (10.6 US gal / 8.8 Imp gal) of chlorine-free, low-alkalinity water, targeting roughly 60 mg/L calcium, 65 mg/L chloride and 45 mg/L sulphate. Mill wheat at 1.1–1.3 mm (0.04–0.05 in) and barley at 1.0–1.2 mm (0.04–0.05 in); keep the barley husks intact. Rinse 250 g (8.8 oz) rice hulls with hot water, mix them through the 6.70 kg (14.77 lb) grist, and sanitise all cold-side equipment.
02 Mashing
Mashing — Mash in with 22 L (5.8 US gal / 4.8 Imp gal) at 44 °C (111 °F) for a 15-minute ferulic-acid rest. Raise to 66 °C (151 °F) and hold 65 minutes, using direct heat or calculated boiling-water infusion without scorching. Check a cooled sample and target pH 5.25–5.40. Confirm conversion, then hold 75 °C (167 °F) for a 10-minute mash-out.
03 Lautering and Sparging
Lautering and Sparging — Set the wheat-rich bed with a slow 10-minute recirculation and never let it run dry. Sparge with 15.5 L (4.1 US gal / 3.4 Imp gal) at 75–77 °C (167–171 °F) to collect about 30.5 L (8.1 US gal / 6.7 Imp gal) around 1.063. If flow stalls, stop pumping, loosen only the upper bed and restart slowly; do not force hot liquor through compacted grain. Stop at pH 5.8 or runnings gravity 1.012.
04 Boil and Hopping
Boil and Hopping — Boil for 90 minutes. Add 18 g (0.63 oz) Magnum at 60 minutes remaining, then 12 g (0.42 oz) Hallertau Mittelfrüh and yeast nutrient at 10 minutes. Kettle fining is optional and should be light because some haze is appropriate. Whirlpool for 10 minutes and settle for 15, targeting 25.5 L (6.7 US gal / 5.6 Imp gal) chilled wort at 1.076.
05 Cooling and Fermentation
Cooling and Fermentation — Chill to 17 °C (63 °F), oxygenate once to approximately 8–10 mg/L and pitch the healthy wheat culture. Allow free rise to 19 °C (66 °F) over the first 48 hours, then hold 19–20 °C (66–68 °F). When gravity is below 1.022, allow 21 °C (70 °F) to finish. Package only when 1.016 is stable for 72 hours; then condition 7–14 days at 10–12 °C (50–54 °F) without stripping all yeast haze.
06 Packaging
Packaging — Use a priming calculator based on actual packaged volume, beer temperature and sugar type to reach 3.0 vol CO₂. This pressure requires bottles and closures explicitly rated for high carbonation; ordinary lightweight glass may fail. Keep bottles in a covered container at 20–22 °C (68–72 °F) until conditioned, then store at 6–10 °C (43–50 °F). Never package above a stable endpoint, because a strong wheat beer contains ample fermentable reserve if attenuation is incomplete.
Variations
- For a paler Weizenbock, omit dark wheat, caramel and dehusked malt, replacing them with pale wheat and Pilsner malt while keeping OG 1.076 and at least 50% wheat.
- For stronger clove, extend the 44 °C (111 °F) ferulic rest to 20 minutes and ferment at 17–18 °C (63–64 °F); avoid adding culinary cloves.
- For more banana, omit the ferulic rest and begin fermentation at 18 °C (64 °F), allowing a controlled rise to 21 °C (70 °F), while preserving an adequate pitch.
- For a drier table, mash at 64.5–65 °C (148–149 °F) and replace caramel malt with Vienna malt, aiming for FG 1.014–1.015.
- For extended ageing, package a small oxygen-protected portion at 2.7 vol CO₂ and compare fresh and six-month samples; discard any bottle showing uncontrolled pressure or infection.
Weizenbock all-grain recipe: Frequently Asked Questions
Why did the wheat mash stop flowing?
Wheat lacks husk and the large grist can compact. Use rinsed rice hulls, preserve barley husks, recirculate slowly and avoid drawing the bed dry. If it sticks, stop the pump, loosen only the top section and restart at a lower rate. Forcing sparge liquor can channel the bed and extract tannin without recovering much useful sugar.
Why are banana and clove missing?
Confirm that the culture is genuinely a phenolic wheat strain, then review its freshness, pitch rate and measured wort temperature. Too-cool fermentation can suppress ester, while excessive heat creates solvent alcohol. The ferulic rest supports clove precursor, but yeast genetics and fermentation management remain decisive.
Is 3.0 volumes of carbonation safe in standard bottles?
Do not assume so. Use only bottles and closures explicitly rated for that pressure, inspect them for damage, and calculate sugar from actual volume and beer temperature. A stable final gravity is non-negotiable. If suitable bottles are unavailable, package to a lower target or use a pressure-rated keg.
Why does the beer taste alcoholic and thin?
Early fermentation probably ran too warm, the pitch may have been unhealthy, or the grist may have been made too fermentable with sugar. Keep all extract malt-derived, control the first 72 hours, and provide one measured oxygenation before pitching. Age can soften clean warmth, but it does not remove fusel or solvent character.
Sources
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