Lemon-Blueberry Sheet Cake with Vanilla Frosting
A zesty lemon cake layered with fresh blueberries and a light vanilla frosting, ideal for a refreshing afternoon treat. This american-inspired desserts ready in about 55 minutes layers all-purpose flour, granulated sugar, (softened) butter 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 320 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
- 2 cups all-purpose flour
- 1 1/2 cups granulated sugar
- 1/2 cup (softened) butter
- 1 cup buttermilk
- 2 tbsp lemon zest
- 1 cup fresh blueberries
- 2 cups vanilla frosting
Instructions
- Step 1: Preheat oven to 350°F. In a bowl, cream butter and sugar until fluffy. Add buttermilk and lemon zest, mixing until combined. Fold in flour and blueberries.
- Step 2: Pour batter into a greased 9x13-inch pan and bake for 25-30 minutes until a toothpick inserted comes out clean. Cool completely.
- Step 3: Spread vanilla frosting over the cake, then refrigerate for 1 hour before slicing.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Lemon-Blueberry Sheet Cake with Vanilla Frosting take to make?
Total time is about 55 minutes (25 min prep + 30 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 Lemon-Blueberry Sheet Cake with Vanilla Frosting?
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 Lemon-Blueberry Sheet Cake with Vanilla Frosting?
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 Lemon-Blueberry Sheet Cake with Vanilla Frosting 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 Lemon-Blueberry Sheet Cake with Vanilla Frosting?
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.
