Mexican Mashed Potatoes

Name: Mexican Mashed Potatoes
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: Mexican, World Cuisine
Ingredients: 3 pounds red potatoes, quartered; 1 cup half and half; 5 tablespoons butter; 8 ounces shredded cheddar cheese; 1 ½ teaspoon salt; 2 cloves crushed garlic; 1/4 cup sour cream; 1/2 diced red bell pepper; 1/2 diced green bell pepper; 2 (4 ounce) cans chopped green chiles; 3 green onions, diced (whites and greens); ½ small jalapeno, seeded and finely diced (or more to taste); ½ teaspoon pepper