In a large skillet on medium heat, drizzle olive oil and saute onion and garlic until fragrant.Add sausage slices and cook for a few minutes until brown, turning half way through.Add onion, bell peppers, and broccoli and cook until veggies are tender, about 3 minutes then mix in Rotel tomatoes and seasonings, cooking and additional 5 minutes until everything is incorporated and heated through.Serve and enjoy!