For Frosting (Optional):
- 1 cup powdered sugar
- 2–3 tablespoons fresh lemon juice
- 1 teaspoon vanilla extract
- Dash of milk (adjust for consistency)
Step-by-Step Instructions
1. Preheat Your Oven
Preheat your oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan or line it with parchment paper.
2. Mix Dry Ingredients
In a medium bowl, whisk together the flour, sugar, baking powder, and salt. Set aside.
3. Combine Wet Ingredients
In a large mixing bowl, stir together the melted butter, milk, eggs, and vanilla extract until smooth. Add the lemon zest and juice, mixing well.
4. Combine Wet and Dry Ingredients
Gradually add the dry ingredients to the wet mixture in three parts, gently folding after each addition until just combined. Avoid overmixing to keep the cake light and airy.