Prepare rice per package directions.
Heat oven to 350°. Arrange peppers on baking sheet or dish that has been sprayed with cooking spray and bake for 20 minutes. Heat oil in skillet; add onion, asparagus, yellow squash, coriander seeds, cumin, and salt. Cook until vegetables are softened. Remove from heat, stir in prepared rice, tomatoes, chickpeas, and chipotle in adobo sauce. Remove peppers from oven, stuff with mixture and top with grated cheese. Bake 15 to 20 minutes.
Makes 8 to 10 servings.