Baked Tuna Chow Mein Casserole

2 tablespoon butter or margarine
1 cup chopped celery
1/4 cup chopped onion
2 tablespoon chopped green pepper
1 tablespoon butter
7 oz can tuna
10 1/2 oz cream of mushroom soup
1  condensed
1 cup chow mein noodles
1/8 teaspoon pepper
1/3 cup chow mein noodles

1. In a deep, 1 1/2-quart, heat-resistant, non-metallic casserole,
melt 2 tablespoons butter or margarine in Microwave Oven 30 seconds.2. Add celery, onion and green pepper to melted butter. Heat,
uncovered, in Microwave Oven 3 minutes or until vegetables are
tender. 3. Combine remaining ingredients except 1/3 cup chow mein
noodles with vegetablesm Blend well. Top with 1/3 cup of chow mein
noodles. Heat in Miicrowave Oven, uncovered, 10 minutes or until
sauce bubbles.