Hamburger Crock Pot Casserole

Ingredients

• 1 pound hamburger or ground beef
• 1 medium onion, peeled and chopped
• 1 medium green pepper, chopped (optional)
• 1 can (15-1/4 ounces) whole kernel corn, drained
• 1 can (4 ounces) mushroom stems and pieces, drained
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 1 jar (11 ounces) salsa
• 5 cups uncooked medium egg noodles
• 1 can (28 ounces) diced tomatoes, undrained
• 1 cup water
• 1 cup (4 ounces) shredded cheddar cheese or blend of cheeses