One-Bowl Peanut Butter Blondies
Soft and chewy peanut butter blondies made quickly in one bowl with minimal ingredients for an effortless homemade treat. This american-inspired desserts ready in about 32 minutes layers (250g) creamy peanut butter, (200g) granulated sugar, large eggs into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 210 calories and feeds 12, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 cup (250g) creamy peanut butter
- 1 cup (200g) granulated sugar
- 2 large eggs
- 1/2 cup (65g) all-purpose flour
- 1/2 tsp baking powder
- 1 tsp vanilla extract
Instructions
- Step 1: Preheat oven to 350°F (175°C). Grease an 8x8-inch baking pan or line it with parchment paper.
- Step 2: In a large mixing bowl, combine 1 cup creamy peanut butter and 1 cup granulated sugar. Stir together until smooth and creamy.
- Step 3: Add 2 large eggs and 1 tsp vanilla extract to the peanut butter mixture, beating until combined.
- Step 4: In a small bowl, whisk together 1/2 cup all-purpose flour and 1/2 tsp baking powder, then fold into the wet ingredients until just combined.
- Step 5: Spread the batter evenly in the prepared pan and bake for 20-22 minutes until the edges are set and a toothpick inserted in the center comes out with moist crumbs.
- Step 6: Let cool completely before cutting into 12 squares and serving.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Bowl Peanut Butter Blondies take to make?
Total time is about 32 minutes (10 min prep + 22 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover One-Bowl Peanut Butter Blondies?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in One-Bowl Peanut Butter Blondies?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale One-Bowl Peanut Butter Blondies for a different number of people?
The recipe is written for 12 servings. Multiply each ingredient by (your serving target / 12). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with One-Bowl Peanut Butter Blondies?
American desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
