Mexican Chicken Pasta

In a large pot of salted boiling water, cook spaghetti according to package directions until al dente. Drain. Meanwhile, in a large skillet over medium-high heat, heat oil. Add chicken and cook 6 minutes. Season with salt and pepper. Add onions and peppers and cook until tender, 4 minutes more. Add chili powder, cumin, and oregano and stir until coated. Add tomatoes and stir, then add chicken broth and half-and-half. Add cooked spaghetti to skillet and toss until coated, then add cheeses and stir until creamy. Garnish with cilantro and serve.