Easy Beef Casserole

Ingredients

• 1 1/2 c. cut up cooked lean beef
• 1 1/2 c. uncooked elbow macaroni (6 oz.)
• 1/2 tsp. garlic powder
• 1 c. sliced celery
• 1/2 c. skim milk
• 1/4 c. chopped onion
• 1 1/2 tsp. dried basil leaves
• 1/2 tsp. garlic powder
• 1/2 tsp. pepper
• 1 jar (8 oz.) mushroom stems and pieces, drained
• 1 can (8 oz.) tomato sauce