Ingredients
1 cup sliced rhubarb (1-inch pieces)1 cup chopped peeled apple1 cup blueberries1 cup raspberries1 teaspoon lemon juice3/4 cup sugar1/4 cup all-purpose flourPastry for double-crust pie (9 inches)2 tablespoons butterAdditional sugar, optional
Preparation
In a large bowl, gently toss rhubarb, apple, berries and lemon juice. Combine sugar and flour; stir into the fruit and let stand for 30 minutes.
Line a pie plate with bottom crust. Add filling; dot with butter. Roll out remaining pastry to fit top of pie. Place over filling. Trim, seal and flute edges. Cut slits in pastry. Bake at 400° for 50-60 minutes or until crust is golden brown. Sprinkle with sugar if desired. Cool on a wire rack. Store in the refrigerator.