Put olive oil in the cooking pot and select browning. When oil begins to sizzle, sauté beef, onion and garlic until meat is no longer pink and onion is tender, about 10 minutes, drain if necessary. Add remaining ingredients and stir to combine.Select High Pressure. Set timer for 8 minutes. (Should reach high pressure in about 10 minutes.) When beep sounds turn pressure cooker off and use a quick pressure release. When valve drops carefully remove the lid.Serve hot topped with sour cream, sliced green onions or grated cheddar cheese. To serve Cincinnati style, serve of over cooked, hot spaghetti or spaghetti squash