1-First Step: Preheat and Prep: Heat oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners. This setup ensures even baking and easy removal for your homemade blueberry lemon cupcakes.

2-Second Step: Mix Dry Ingredients: In a medium bowl, whisk 1 ½ cups all-purpose flour, 1 tsp baking powder, ½ tsp baking soda, and ¼ tsp salt. Set aside. Dry mix provides the base for tender lemon cupcakes.

3-Third Step: Cream Butter and Sugar: In a large bowl, beat ½ cup softened unsalted butter and 1 cup granulated sugar with an electric mixer until light and fluffy, about 2-3 minutes. This incorporates air for fluffy texture.

4-Fourth Step: Add Eggs and Flavors: Beat in 2 eggs one at a time, then mix in 1 tsp vanilla extract, zest of 2 lemons, and ¼ cup fresh lemon juice. Scrape bowl sides for even distribution. Citrus shines here in easy lemon blueberry cupcakes.

5-Fifth Step: Combine Wet and Dry: Alternate adding dry ingredients and ½ cup buttermilk to the wet mix, starting and ending with dry. Mix on low until just combined. Avoid overmixing to keep batter light.

6-Sixth Step: Prep and Fold Blueberries: Toss 1 cup fresh blueberries in 1 tbsp flour. Gently fold into batter. This prevents sinking, ensuring berries stud every bite of your blueberry cupcakes.

7-Seventh Step: Fill and Bake: Spoon batter into liners, filling ⅔ full. Bake 18-22 minutes until toothpick inserted comes out clean. Cool in tin 5 minutes, then transfer to rack. Yields 12 perfect cupcakes.

8-Eighth Step: Make Lemon Frosting: Beat ½ cup softened butter until creamy. Gradually add 2 cups sifted powdered sugar, 2 tbsp lemon juice, zest of 1 lemon, and 1 tsp vanilla. Whip 3-5 minutes until fluffy. Add 1-2 tsp milk if needed. For twist, swirl in ¼ cup blueberry puree.

9-Ninth Step: Frost and Serve: Cool cupcakes fully before spreading or piping frosting. Garnish with extra zest or berries. For vegan, use substitutes throughout. Gluten-free bakers swap flour seamlessly.