Raspberry Mazurkas Ingredient Checklist cooking spray 3 cups all-purpose flour 1 ½ cups brown sugar 1 ½ cups quick oats 1 cup flaked coconut ½ cup chopped walnuts 1 ¼ cups butter, melted 1 (18 ounce) jar raspberry preserves Directions Instructions Checklist Step 1 Preheat oven to 350 degrees F (175 degrees C). Prepare a 9×13-inch baking dish with cooking spray. Step 2 Mix flour, brown sugar, oats, coconut, and walnuts together in a bowl. Pour melted butter over the flour mixture and mix. The mixture should clump together easily when compressed. Step 3 Press about half the flour mixture into the bottom of the prepared baking dish; top with a layer of raspberry preserves. Finish by topping with the remaining flour mixture, patting lightly to complete the ‘crust.’ Step 4 Bake in preheated oven until browned, 20 to 25 minutes. Cool completely before cutting to serve.