2 cups milk
1 small box regular vanilla pudding mix
2 1/2 cups miniature marshmallows, divided
20 vanilla wafers
2 bananas, thinly sliced

Gradually add milk to dry pudding mix in a saucepan, mixing until well-blended. Add 1 cup marshmallows. Bring mixture to a boil, stirring constantly. Remove from heat.

Layer vanilla wafers on bottom of 1-quart casserole; top with half of the bananas and half of the pudding mixture. Repeat.

Surround edge of casserole with remaining vanilla wafers and top with remaining marshmallows.