Step 2
Heat a large skillet over medium-high heat. Cook and stir ground beef in the hot skillet until browned and crumbly, 5 to 7 minutes. Add yellow onion, bell peppers, celery, and 1/2 of the green onion; saute until vegetables are soft, about 5 minutes. Add garlic, tomato sauce, 1/2 of the parsley, paprika, garlic powder, onion powder, red pepper flakes, meat tenderizer, salt, and pepper; cook until fragrant, about 1 minute. Stir in Worcestershire sauce and browning sauce. Drain oil and remove from the heat.