Rocky Road Confetti Squares

1/2 cup margarine
1 cup crunchy peanut butter
2 cups chocolate chips
8 ounces white mini marshmallows

In a large pot, melt margarine over med. low heat.
Add peanut butter, stir until melted.
Add chocolate chips, stir until smooth.
Remove from heat.
DON'T stir in the marshmallows until you can hold your hand on the bottom of the pot.
Spoon into a Pam sprayed 9x13 pan.
Chill, then slice 6 down and 10 across.