Overnight waffles are made with a yeast-raised batter that rests in the refrigerator while you sleep, then gets finished with eggs and baking soda in the morning. The long, cool rise builds a gentle tang and tender texture, while a hot waffle iron turns each portion crisp and golden outside.
Ingredients
- 2 cups (480 ml) whole milk
- 1/2 cup (113 g) unsalted butter, melted and cooled until just warm
- 2 cups (250 g) all-purpose flour
- 2 tablespoons (25 g) granulated sugar
- 1 teaspoon (3 g) instant yeast
- 1/2 teaspoon (3 g) fine salt
- 2 large eggs (about 100 g without shells), brought to room temperature
- 1/2 teaspoon (2.5 g) baking soda
- 1 teaspoon (5 ml) vanilla extract
- About 1 tablespoon (15 ml) neutral oil or melted butter, for greasing the waffle iron as needed
- For serving, optional: 1/2 cup (120 ml) maple syrup, 1 cup (150 g) sliced berries, or 1/2 cup (120 g) plain or Greek yogurt
Instructions
- Make the batter the night before. Warm the milk until it feels comfortably warm, about 100–110°F (38–43°C), not hot. If you have a thermometer, use it; excessive heat can damage the yeast. In a large bowl, whisk together the warm milk, melted butter, flour, sugar, instant yeast, and salt until no dry pockets of flour remain. The mixture will be loose and slightly lumpy. That is fine; avoid beating it until completely smooth.
- Cover and chill. Cover the bowl securely and refrigerate for at least 8 hours and up to 12 hours. The batter should look puffed and show small bubbles by morning, though the amount of rise varies with refrigerator temperature and yeast freshness. Use a bowl with plenty of room above the batter so it can expand without touching the cover. Keep it refrigerated rather than leaving it out overnight.
- Finish the batter in the morning. Take the bowl from the refrigerator. In a small bowl, whisk the eggs with the baking soda and vanilla until blended, then stir this mixture into the cold batter just until evenly combined. A few small lumps are normal. The batter may deflate slightly when stirred; that does not mean the yeast rise has failed. Let it stand while the waffle iron heats, about 5–10 minutes.
- Heat the waffle iron. Preheat the iron according to its instructions, using a medium-high setting if it has adjustable heat. Lightly grease the plates if the manufacturer recommends it or if your iron tends to stick. A properly heated iron helps the outside set and brown quickly. If the first waffle is pale or soft, allow the iron to heat longer before cooking the next one.
- Cook in batches. Spoon roughly 1/2 cup (120 ml) batter into the center of a standard 7-inch waffle iron, adjusting the amount for your machine. Close the lid and cook until the waffle is deep golden and releases easily, usually 3–4 minutes per waffle. Follow your iron’s indicator as a guide, but use color and easy release as the final cues. Do not force the lid open early, since the waffle may tear before its surface has set.
- Check doneness and keep warm. Waffles containing egg should be cooked through. USDA FSIS lists 160°F (71°C) as the safe minimum internal temperature for egg dishes; check the center of a waffle with a food thermometer if you need to verify it. Set finished waffles in a single layer on a wire rack so steam can escape. To keep a batch warm and crisp, place the rack in a 200°F (95°C) oven while you cook the remaining batter; avoid stacking them, which traps steam.
- Serve promptly. You should get about 8 standard waffles, depending on the size and depth of your iron. Serve them hot with maple syrup, fruit, yogurt, or your preferred toppings. If you have extra batter after mixing in the eggs and baking soda, the best texture comes from cooking it right away rather than holding it for another night.
Tips
- Measure flour without packing it. Spoon flour into the measuring cup and level the top, or weigh 250 g. Scooping directly from the bag can compress the flour and make the batter too thick, which can lead to dense waffles. If your batter seems unusually stiff after the overnight rest, stir in milk a tablespoon (15 ml) at a time until it is thick but pourable.
- Keep the overnight rise cold. The refrigerator slows the yeast and gives the batter time to develop flavor without a long period at room temperature. A very cold refrigerator may produce fewer visible bubbles; the batter can still work. If it has barely expanded, give it an extra 10–15 minutes at room temperature while the waffle iron heats, but do not leave it out for hours.
- Use baking powder only with a change in method. Baking soda is included because the fermented batter is mildly acidic, and it helps the waffles brown. If you do not have baking soda, use 1 1/2 teaspoons (6 g) baking powder instead. The flavor and browning may be slightly different, and the waffles can be a little less crisp; do not add both leaveners.
- Resist pressing the lid down. The waffle iron needs time to set the batter and release moisture. Pressing the lid or opening it repeatedly can split the waffle and interrupt browning. If waffles stick, let the iron cook a little longer and check whether the plates need a light coating of oil before the next batch.
Serving Suggestions
For a classic breakfast, add maple syrup and a small pat of butter once the waffles are hot. Fresh berries, sliced peaches, or banana bring a fresh contrast to the buttery, lightly tangy crumb. For a more substantial plate, serve with plain or Greek yogurt and fruit, or add scrambled eggs and breakfast potatoes on the side. Keep the toppings separate until serving so the waffles stay crisp.
These waffles are also useful as a base for savory toppings. Try a poached or fried egg, sautéed mushrooms, or sliced avocado with black pepper. For a sweet-and-savory plate, pair a waffle with crisp bacon or breakfast sausage and a modest pour of syrup. If serving a group, set out toppings in small bowls and keep cooked waffles on a rack in a low oven rather than piling them on a plate.
Variations
Buttermilk-style tang: Replace 1 cup (240 ml) of the milk with 1 cup (240 ml) buttermilk. The batter will be more tangy and may thicken slightly; loosen it in the morning with 1–2 tablespoons (15–30 ml) milk if needed. Keep the baking soda amount the same.
Whole-wheat blend: Swap up to 1/2 cup (60 g) of the all-purpose flour for whole-wheat flour. This adds a nuttier flavor and makes the crumb a little heartier. Using more whole-wheat flour can produce heavier waffles, so begin with a partial swap and add a splash of milk in the morning if the batter is too thick.
Cinnamon waffles: Whisk 1 teaspoon (2.5 g) ground cinnamon into the dry ingredients the night before. A little grated orange zest, about 1 teaspoon (2 g), can also be mixed in for a brighter aroma. Keep additions modest so they do not overwhelm the yeast-raised flavor.
Dairy-free option: Use an unsweetened, unflavored oat or soy beverage in place of the milk and a neutral plant-based butter alternative in place of the butter, using equal amounts. Soy beverage generally gives a richer result, while oat beverage can make the waffles a little softer. Check that the replacement is suitable for cooking and not heavily sweetened or flavored.
Storage and Reheating
Let leftover waffles cool on a rack so condensation does not make them soggy. Refrigerate them within 2 hours of cooking in a sealed container; they keep for 3–4 days. For longer storage, freeze the cooled waffles in a single layer until firm, then transfer them to a freezer-safe bag with parchment between layers. They are best within about 2 months for texture and flavor. Thawing is not necessary before reheating.
Reheat refrigerated or frozen waffles in a toaster, toaster oven, or 350°F (175°C) oven until hot and crisp. In the oven, arrange them in one layer on a rack or baking sheet; frozen waffles usually need a few extra minutes. USDA FSIS advises reheating leftovers to 165°F (74°C), checked with a food thermometer. A microwave warms waffles quickly but makes them soft, so use it only if crispness is not important, or finish them briefly in a toaster.
Frequently Asked Questions
Can I leave the batter on the counter overnight?
For this recipe, no. The batter is designed to rise slowly in the refrigerator, which keeps the milk mixture cold during the long rest. Refrigerate it for at least 8 hours, and keep the covered bowl chilled until you are ready to add the eggs and cook.
Can I make the batter more than 12 hours ahead?
It is best to stay within the recipe’s 8–12-hour window. A longer rest may make the batter overly fermented and can affect both flavor and structure. If you need to plan further ahead, cook the waffles after the overnight rise and freeze them; they reheat well in a toaster or oven.
Why are my waffles dense instead of light?
Common causes include too much flour, old or inactive yeast, overmixing after the overnight rest, or an iron that was not fully heated. Weighing the flour, checking that the batter shows some bubbles, folding in the eggs and baking soda gently, and waiting for the iron to reach temperature all help. The batter does not need to be perfectly smooth.
Can I use active dry yeast instead of instant yeast?
Yes. Use the same amount, 1 teaspoon (about 3 g), and first stir it into the warm milk with the sugar. Let it stand for about 5–10 minutes, until it looks foamy, then mix in the other night-before ingredients. If it does not foam, the yeast may be inactive; replace it before continuing.
How do I keep a whole batch crisp while cooking?
Place each finished waffle on a wire rack in a 200°F (95°C) oven while the remaining waffles cook. The rack lets steam escape, and the low heat keeps the waffles warm. Avoid covering them with foil or stacking them, since trapped steam softens the edges.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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