Strawberry Shortcut Cake
["1 c. miniature marshmallows", "2 c. (two 10 oz. pkg.) frozen sliced strawberries in syrup, completely thawed", "1 (3 oz.) pkg. strawberry Jell-O", "2 1/4 c. all-purpose flour", "1 1/2 c. sugar", "1/2 c. butter or margarine", "3 tsp. baking powder", "1/2 tsp. salt", "1 c. milk", "1 tsp. vanilla", "3 eggs"]
["Generously grease bottom of a 13 x 9-inch baking pan; sprinkle marshmallows evenly over bottom of pan."]
["marshmallows", "syrup", "strawberry Jell-O", "all-purpose", "sugar", "butter", "baking powder", "salt", "milk", "vanilla", "eggs"]