Chili Mac Cheese

Name: Chili Mac & Cheese
Ingredients: 1 tbsp. canola oil; 1 large white onion, chopped; 3 cloves garlic, minced; 1 lb. ground beef; 1 15-oz. can fire-roasted diced tomatoes; 1 15-oz. can kidney beans; 1 tbsp. chili powder; 1 tbsp. cumin; 1 tsp. cayenne pepper; 3 c. low-sodium chicken broth; 12 oz. pasta, such as orecchiette or shells; 2 c. shredded Cheddar; Chopped chives, for garnish