Peanut Butter Rice Krispies Treats

Yield:	1 Servings
Categories:	Snacks, Desserts

3	tb	Margarine
1	pk	(10-oz) regular marshmallows (about 40), or 4 cups miniature marshmallows
6	c	Rice Krispies cereal
1/2	c	Peanut butter
		Nonstick spray coating