Slice the onion and chop the green pepper.

Mince the garlic.

In a large skillet, saute the onion, green pepper, and garlic in butter until the onion is tender.

Stir in the uncooked white rice.

Add ketchup, water, vinegar, and black pepper.

Stir in chopped tomato and cubed, cooked ham.

Cover and simmer for 20 to 25 minutes, or until the rice is tender.

Add the deveined and shelled raw shrimp.

Simmer uncovered for 3 to 5 minutes, or until the shrimp turn pink, stirring occasionally.

Serve hot.