• Preheat your oven to 325°
• Grease a 7”x11” or 9”x13” baking dish, line the bottom with parchment paper and set aside for now

Make the cake…

• In a large bowl, whisk 1 cup of brown sugar with 1/2 cup of granulated sugar, 1/2 cup of a neutral oil, a large egg and 2 teaspoons of vanilla extract until fully combined 
• Add a cup of buttermilk and mix until fully incorporated 
• Add 2 1/2 cups of all purpose flour, 1 teaspoon of ground cinnamon, 1 teaspoon of baking soda and 1/4 teaspoon of salt and mix until just combined 
• Fold in 3 cups of peeled and diced apples until evenly distributed 

Make the cinnamon crunch topping…

• Combine 1/2 cups of brown sugar with a teaspoon of ground cinnamon and use a fork to work in a tablespoon of melted butter

Assemble and bake the cake…

• Spread the batter evenly in your prepared caking dish 
• Sprinkle the cinnamon crunch topping evenly over the batter
• Bake in a 325° oven for 55-60 minutes or until a toothpick will come out of the center of the cake mostly clean and middle feels fully set
• Let the cake cool for 10-15 minutes before slicing