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Export 13 ingredients for grocery delivery
Step 1
Heat oven to 350 degrees. Grease a 9x13-inch baking pan.
Step 2
Whisk together flour, baking powder, baking soda, salt, and sugar in a large bowl.
Step 3
Stir in melted butter, sour cream, eggs, and vanilla until smooth. Pour into prepared pan.
Step 4
Sprinkle apples on top of batter.
Step 5
In a medium bowl, stir together all topping ingredients until thoroughly mixed. Sprinkle on top of apples.
Step 6
Place pan in oven and bake for 40 to 45 minutes or until a toothpick inserted in the center comes out clean.
Step 7
Make glaze. Combine all ingredients in a small saucepan and place over medium heat until sugar and butter are melted. Drizzle over coffee cake. Serve warm or at room temperature.