Peach Crisp from Canned Peaches

2 29-ounce cans peaches 1/2 cup sugar 1/3 cup cornstarch 1 tablespoon lemon juice Topping: 1/3 cup margarine, softened or melted 1 cup quick cooking oats 1/3 cup all-purpose flour 1/2 cup brown sugar 1 teaspoon cinnamon Preheat the oven to 400°. Open up the peaches and drain the juice into a small saucepan. Arrange […]