01 -
Preheat oven to 350°F. Lightly grease 9x13-inch baking pan with cooking spray.
02 -
Whisk eggs, sugar, milk, vegetable oil and vanilla until combined.
03 -
Add flour, baking powder and salt, whisk until combined.
04 -
Combine brown sugar, cinnamon, cold butter and flour. Use hands to pinch butter into mixture until crumbly.
05 -
Pour half batter in pan, sprinkle 1/3 topping. Add remaining batter and top with remaining topping.
06 -
Bake 40-50 minutes until toothpick comes out clean. Serve warm or cooled.