Rainbow Garlic Soup

Ingredients

• 2 -4 tablespoons olive oil
• 4 -5 roma tomatoes, chopped
• 1 large onion, diced
• 8 large garlic cloves, diced
• 2 tablespoons flour (optional) or 2 tablespoons arrowroot (optional)
• 8 cups chicken broth or 8 cups vegetable broth
• 2 cups carrots, sliced
• 2 cups potatoes, chopped
• 14 teaspoon dried red pepper flakes
• 2 cups zucchini, sliced
• 2 cups yellow squash, sliced
• fresh ground black pepper (to taste)
• salt (to taste) or salt substitute (to taste)