Easy Scalloped Potatoes with Bell Peppers

2 cups frozen peppers and onions

1/2  cup margarine

1/2 cup sour cream

2 cans sliced new potatoes, drained

1 cup Velveeta shreds

1 cup mozzarella shreds

Microwave peppers and onions for 1 minute or so until defrosted.

Pat dry with paper towel.

Melt margarine in microwave.

Stir in sour cream and peppers to melted margarine, blending well.

Layer one can of potatoes in glass casserole dish, topping  with 1/2 of above melted mixture.

Sprinkle with 1/2 cup of each cheese.

Layer next can of potatoes, topping with remaining melted ingredients, then both cheeses.

Bake at 350 for 40 minutes.