Ingredients
Scale
Dough
- 3/4 cup butter, fully melted
- 3/4 cup brown sugar
- 1 cup sugar
- 2 eggs
- 2 teaspoons vanilla extract
- 2 cups flour
- 1 teaspoon baking powder
- 1 teaspoon cream of tartar
- 1/2 teaspoon salt
Topping
- 1/4 cup sugar
- 2 teaspoons cinnamon
Instructions
- Preheat oven to 350 degrees and thoroughly grease a 9×13 pan.
- Mix the melted butter and sugars together in a large bowl until smooth. While continuing to mix, add the eggs and vanilla.
- Add the flour, baking powder, cream of tartar, and salt to the bowl of wet ingredients and stir until combined.
- Transfer batter to the prepared baking pan and press into an even layer.
- In a small bowl, combine sugar and cinnamon for the topping, then sprinkle over the batter.
- Bake for 20-25 minutes or until the top is just turning golden.
- Allow to cool for 30 minutes before slicing and serving.