Tuna Casserole - cooking recipe

Ingredients

2 (12 oz.) cans chunk tuna
3 c. uncooked egg noodles
1/2 c. each onions and celery
1/2 c. sour cream (more, if desired)
2 tsp. mustard
1/2 or 3/4 c. mayonnaise
1/2 tsp. thyme leaves (dried)
1/2 tsp. salt
1 small zucchini, sliced
1 c. shredded cheese
1 large tomato, diced

Preparation

Drain tuna. Cook noodles and drain. Add tuna, noodles, onions and celery.
Blend next 5 ingredients. Spoon half of the mixture into a 2 1/2-quart casserole dish. Top with zucchini.
Repeat 1 layer at a time.
Top last layer of zucchini with cheese. Bake about 30 minutes at 325\u00b0.
After removing from oven, add diced tomatoes.