One-Bowl Blueberry Oatmeal Cookies
Soft and chewy oatmeal cookies bursting with fresh blueberries, made quickly in one bowl for minimal cleanup. This american-inspired desserts ready in about 29 minutes layers old-fashioned rolled oats, all-purpose flour, baking soda 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 110 calories and feeds 18, 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 1/2 cups old-fashioned rolled oats
- 3/4 cup all-purpose flour
- 1/2 tsp baking soda
- 1/2 cup (1 stick), softened unsalted butter
- 1/2 cup light brown sugar
- 1/4 cup granulated sugar
- 1 large egg
- 1 tsp vanilla extract
- 1 cup fresh blueberries
Instructions
- Step 1: Preheat oven to 350°F. In a large mixing bowl, cream together 1/2 cup softened unsalted butter, 1/2 cup light brown sugar, and 1/4 cup granulated sugar with an electric mixer until light and fluffy, about 2 minutes.
- Step 2: Beat in 1 large egg and 1 tsp vanilla extract until fully incorporated.
- Step 3: Add 1 1/2 cups rolled oats, 3/4 cup all-purpose flour, and 1/2 tsp baking soda to the bowl. Stir with a spatula until just combined.
- Step 4: Gently fold in 1 cup fresh blueberries, being careful not to break them.
- Step 5: Drop heaping tablespoon-sized scoops of dough onto a parchment-lined baking sheet, spacing cookies about 2 inches apart.
- Step 6: Bake for 12-14 minutes, until edges are golden and centers are set. Cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Bowl Blueberry Oatmeal Cookies take to make?
Total time is about 29 minutes (15 min prep + 14 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 Blueberry Oatmeal Cookies?
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 Blueberry Oatmeal Cookies?
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 Blueberry Oatmeal Cookies for a different number of people?
The recipe is written for 18 servings. Multiply each ingredient by (your serving target / 18). 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 Blueberry Oatmeal Cookies?
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.
