Pasta e Fagioli Soup with Chicken Sausage

Ingredients

• 1 package feta spinach chicken sausage, sliced on the diagonal ¼ inch thick
• 1 ½ chopped onion (about 1 medium)
• 1 cup sliced celery (stalk and leaves)
• 2 Tetrapacks Colavita Diced Tomatoes
• 15 oz can red kidney beans, rinsed and drained
• 15 oz can cannellini beans, rinsed and drained
• 32 oz Rachael Ray All-Natural Chicken Stock
• 25 oz Colavita Strained Tomatoes
• 1 cup water
• 2 tsp dry Italian seasonings
• 1 dried bay leaf
• ¼ cup chopped Italian flat leaf parsley
• ½ tsp red pepper flakes
• Salt
• freshly ground pepper
• 8 oz Colavita Elbows
• 8 oz baby spinach
• 1 tbsp cornstarch mixed with 2 tbsp. water, (optional)