In same skillet, heat remaining 1 teaspoon oil over medium heat. Add bell peppers, onion and garlic to oil. Cook 3 to 5 minutes, stirring occasionally, until bell peppers are crisp-tender. Stir in chili powder, flour, cumin, salt and cinnamon; cook 30 seconds. Stir in chicken broth; heat to boiling. Cook about 30 seconds, stirring constantly, until thickened and bubbly. Remove from heat; stir in chocolate chips until melted. Stir in pork.