Copycat Olive Garden Fagioli Soup

Ingredients:
2 celery stalks, chopped
1 onion, chopped
2 medium tomatoes, peeled and chopped
1 can of cannellini beans, with the liquid
1 tbsp olive oil
3 garlic cloves, minced
2 tsp dried parsley
1 tsp Italian seasoning
¼ tsp crushed red pepper flakes
8 ounces of tomato sauce
14 ½ ounces chicken broth
Salt and pepper to taste
1 cup uncooked spinach pasta