Vegetarian Chili

Ingredients 2 tablespoons canola oil 1 1/2 cups chopped yellow onions 1 cup chopped red bell peppers 2 tablespoons minced garlic 2 to 3 serrano peppers, stemmed, seeded, and minced, depending upon taste 1 medium zucchini, stem ends trimmed and cut into small dice 2 cups fresh corn kernels (about 3 ears) 1 1/2 pounds…