Heat the Calphalon Premier™ Hard Anodized Nonstick 6qt. Stock Pot over high heat and add the oil.
Start stirring the chopped onion and garlic cloves until softened.
Add the ground beef and break up into smaller pieces. Stir occasionally until cooked.
Add the kidney beans, corn, tomatoes, chili powder, salt and pepper. Bring to a boil, reduce heat, and simmer uncovered for about 15 minutes, stirring occasionally, until the liquid is reduced to a half.
Serve with sour cream, corn chips and shredded cheddar cheese.