Authentic Hungarian Chicken Paprikash (Paprikás Csirke)

Ingredients

• 1 whole chicken, cut into pieces (or 1.5 kg chicken thighs/drumsticks)
• 2 tbsp lard or oil
• 2 large onions, finely chopped
• 3 tbsp sweet Hungarian paprika
• 2 cloves garlic, minced
• 1 tomato, chopped
• 1 green pepper, chopped
• 2 cups chicken broth
• 1 tsp salt
• 1/2 tsp black pepper
• 1 cup sour cream
• 1 tbsp flour