Zucchini or Yellow Squash Casserole

INGREDIENTS

• 1 medium bell pepper, cut in 1/2 in cubes
• 1/4 cup margarine
• 1 medium onion, diced
• 2 medium zucchini or 4 small yellow squash
• 1 (16 ounce) can Tomatoes
• 4 slices bread, toasted and cut in small cubes
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 1/4 teaspoon garlic salt
• 1/2 teaspoon oregano
• parmesan cheese