Easy Apple & Blackberry Cake

Easy Apple & Blackberry Cake
1 12 ounce bag blackberries, picked over, halved and rinsed
1 Granny Smith apple, peeled, cored and diced
1/2 cup brown sugar
1 teaspoon orange zest
1/4 cup orange juice
1 + 1/8 teaspoon cinnamon, divided
2 JUMBO eggs
1 cup + 1 tablespoon sugar
1 stick unsalted butter, melted and cooled
1 teaspoon vanilla

1/4 cup sour cream

1 cup flour

1/4 teaspoon kosher salt

• Preheat the oven to 325 degrees.
• Mix together the brown sugar, cinnamon and orange zest until well blended.
• Mix together blackberries, apple pieces, brown sugar mixture and orange juice.
• Pour into a 13x9 casserole dish or a 10" pie plate. 
• Using a mixer, beat eggs for 2 minutes.
• Add 1 cup sugar, melted butter, vanilla, and sour cream.  Beat until well blended.
• Add flour and salt.
• Pour batter over fruit, covering fruit entirely.
• Mix the remaining 1 tablespoon sugar and 1/8 teaspoon cinnamon together; sprinkle cinnamon sugar over the batter.
• Bake at 325 degrees for 50 minutes or until a toothpick inserted comes out clean.
• Serve warm or at room temperature.