If you can't find fresh Fresno chili peppers, use dried red pepper flakes instead. Start with 1/2 teaspoon and add more to taste.
In a large stockpot over medium heat, add the oil. Saute onions, tomatoes, Fresno peppers and garlic for about 15 minutes, stirring frequently. Add the vegetable stock and squash. Bring to a boil, then reduce heat to a simmer.
Once squash is tender (about 15 minutes), place soup into a blender in small batches and puree until smooth. Return soup to the pot. Stir in salt, pepper and sugar. Sprinkle parsley on top before serving.
Created by the executive wellness chef and registered dietitians at the Mayo Clinic Healthy Living Program.
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