Ingredients:
3 c flour
1/4 tsp salt
1 c sugar
4 tsp baking powder
1 1/2 c milk
2 eggs
2 tsp vanilla
4 Tbsp butter, melted
2 stick (1 cup) butter, softened
1 c brown sugar
2 Tbsp flour
1 Tbsp cinnamon
2/3 c nuts (optional)
2 c powdered sugar
5 Tbsp milk
1 tsp vanilla
Directions:
Preheat oven to 350 F.
With an electric mixer or stand mixer, mix 3 cups of flour, sugar, salt, baking powder, milk, eggs, and vanilla.
Once well combined, slowly stir in 4 T melted butter.
Pour batter into a greased 9x13 baking pan.
In a large bowl, mix the 2 sticks of softened butter, brown sugar, 2 T flour, cinnamon, and nuts until well combined.
Drop evenly over cake batter by the tablespoon and use a knife to marble/swirl through the cake.
Bake at 350 degrees for 25-30 minutes or until toothpick comes out clean from center.
Place powdered sugar, milk, and vanilla in a large bowl.
Whisk until smooth.
Drizzle over warm cake.
Serve warm or at room temperature.