Foryoueats: Creamy Taco Pasta

1 lb. ground beef or turkey

1 onion, chopped

2 cloves garlic, minced

1 packet taco seasoning

1 zucchini, sliced

1 red bell pepper, sliced into strips

1 (15 oz.) can diced tomatoes, undrained

1 (15 oz.) can black beans, rinsed and drained

1 (10 oz.) can Rotel diced tomatoes and green chilies, undrained

4 cups cooked rotini pasta

1 cup shredded cheese (cheddar or Monterey Jack)

1/2 cup sour cream or Greek yogurt

1/4 cup milk (optional, for thinning)

Creamy Taco Pasta