Blackberry Crumb Bars

Ingredients: 1-1/2 c. flour1/4 c. sugar1/4 c. brown sugar, packed1/2 tsp. baking powder1/2 c. salted butter1 lg. egg yolk2 c. fresh blackberries1 Tbs. lemon juice1/4 c. sugar1 Tbs. cornstarch Directions: Preheat oven to 375 degrees and spray an 8×8 pan with baking spray. Add flour, sugar brown sugar, baking powder, butter and egg yolk to […]