Meatless Lasagna

Ingredients

• 1/2 pkg. lasagna
• 1/2 c. onion, chopped
• 1/2 c. celery, diced
• 1 clove garlic, minced
• 2 Tbsp. cooking oil
• 1 (28 oz.) can tomatoes, cut up
• 1/2 c. water
• 1 (6 oz.) can tomato paste
• 1/2 Tbsp. sweet basil
• 1/2 tsp. sugar
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 can mixed vegetables, drained
• 1 lb. Mozzarella cheese, sliced