Hungarian Chicken Paprikash (Csirkepaprikás)

Ingredients

• 2 lbs (1 kg) chicken pieces (thighs, drumsticks)
• 2 tbsp oil or lard
• 1 large onion, finely chopped
• 2 cloves garlic, minced
• 2 tbsp Hungarian paprika
• 1 tsp salt
• 1/2 tsp black pepper
• 1 tomato, chopped (or 1/2 cup canned tomatoes)
• 1 bell pepper, chopped
• 1 cup chicken broth
• 1/2 cup sour cream
• 1 tbsp flour