1/4 cup (50 mL) butter or margarine
1 cup (250 mL) packed brown sugar
2 cups (500 mL) sliced fresh strawberries
2 cups (500 mL) chopped fresh rhubarb
1 pkg (510 g) Betty Crocker* Super Moist French Vanilla or White Cake Mix
11/4 cups (300 mL) water
1/3 cup (75 mL) vegetable oil
3 eggs