Tuna Casserole - cooking recipe

Ingredients

1/4 c. onion, finely chopped
1 Tbsp. margarine
1/4 c. green pepper, finely chopped
2 small cans mushrooms, sliced
2 small cans tuna, drained
1 tomato, chopped, peeled and drained
1 Tbsp. lemon juice
1/4 tsp. salt
1/8 tsp. pepper
3/4 c. mayonnaise
1 (10 oz.) pkg. noodles, cooked
1/2 c. Cheddar cheese, shredded

Preparation

In a small skillet, melt margarine and saute onion, green pepper and mushrooms, stirring often, until tender (about 5 minutes).
Stir together with next 6 items.
Add noodles, mixing well.
Turn into a greased 2-quart casserole.
Top with cheese and bake, uncovered, at 400\u00b0 for 20 minutes.