Blackberry Peach Crumble

We had my parents over for dinner tonight. I made taco salad and this for dessert. I used frozen fruit so it was very simple to put together. It was delicious with vanilla ice cream.

Blackberry Peach Crumble
Ingredients:
2 cups blackberries
5 cups sliced peaches
3/4 c. sugar, divided
1 tsp cornstarch
zest and juice of 1/2 lemon
1 c. flour
1/2 oats
1 tsp baking powder
1/2 tsp cinnamon
1 stick butter, chilled
1 tsp vanilla

Directions:
-Preheat oven to 425 degrees and prepare a shallow baking dish.
-In large bowl, combine blackberries, peaches, 1/4 sugar, cornstarch, and lemon zest and juice.
-Toss gently and spread into baking dish.
-In medium bowl, combine remaining ingredients and using fork or pastry cutter, cut butter into flour mixture until about the size of small peas.
-Sprinkle mixture over top of fruit and gently spread out.
-Place in oven to bake until top is beginning to brown and fruit mixture is bubbling, about 35-40 minutes.
-Remove from oven and let cool slightly before serving.