1 (8 oz.) pkg. miniature marshmallows
1 (2 layer) pkg. white cake mix
4 c. mashed strawberries
1 sm. pkg. strawberry gelatin

Sprinkle marshmallows into greased 9x13 cake pan. Prepare cake batter using package directions. Pour into prepared pan. Mix strawberries and gelatin in bowl. Spoon over batter. Bake at 350 for 45-50 minutes or until cake tests done. Cut cooled cake into squares.