1In 4-quart Dutch oven, heat 1 tablespoon oil over medium-high heat. Add onion; cook about 5 minutes, stirring occasionally, until crisp-tender.
2Stir in sweet potatoes, salsa, water and cinnamon. Heat to boiling; reduce heat. Cover; simmer 20 to 25 minutes or until squash is tender. Stir in corn and beans.
3In medium bowl, mix cornbread mix, milk and 1 tablespoon oil. Stir in nuts. Drop dough by large spoonfuls onto vegetable mixture. Cover; simmer about 15 minutes or until toothpick inserted in center of dumplings comes out clean.