Chili Mac Casserole

Ingredients

• 2 tsp. olive or canola oil
• 3/4 lb. ground beef
• 1 onion, chopped
• 2 celery stalks, sliced
• 1 (16 oz.) can whole tomatoes or 4 fresh tomatoes, chopped
• 1 (8 oz.) can tomato sauce
• 2 garlic cloves, crushed
• 1 green bell pepper, chopped
• 1 tsp. dried leaf oregano
• 1/2 tsp. Italian seasoning
• 1 (16 oz.) can kidney beans, drained
• 1 1/2 c. cooked macaroni
• salt and pepper to taste