1 pkg. miniature marshmallows
1 yellow cake mix
2 (10 oz.) pkgs. strawberries, thawed
1 (3 oz.) pkg. strawberry Jello

Grease 13 x 9 inch pan. Layer bottom of pan with miniature marshmallows. Mix cake mix according to directions on box. Pour over marshmallows. Mix strawberries and Jello. Spoon over cake batter. Bake according to directions on box.