Prepare the ingredients. Wash the onion and pepper and peel the garlic clove. Put the corn grits to cook in salted water for 40 minutes at a low boil. Chop the onion and pepper in any way. In a frying pan heated over medium heat, pour 1 tablespoon of oil, throw a garlic clove crushed with a knife, let it lightly brown in oil and discard. In the prepared oil, fry the onion with pepper and let it infuse until soft.