Chicken Spaghetti

Ingredients

• 4 -5 large chicken breasts, cooked and chopped
• 1 large onion, chopped
• 1 large bell pepper, chopped
• 1 lb mushroom, chopped
• 2 (14 ounce) cans diced tomatoes, with oregano & basil
• 1 (8 ounce) can tomato sauce
• 34 cup real butter
• 1 (10 ounce) can rotel, diced, mild
• 1 cup chicken broth
• 1 (10 ounce) can cream of celery soup
• 1 (10 ounce) can cream of chicken soup
• 1 teaspoon salt
• 1 teaspoon pepper
• 1 lb Velveeta cheese
• 1 lb linguine