Pork Kaldereta With Liver Spread and Peanut Butter Recipe

1 medium red onion, chopped

5 cloves garlic, chopped

6 small tomatoes, diced

1 kilogram pork ribs, cut into pieces

3-5 cups pork stock, more as needed

3 talbespoons tomato paste

2 medium carrots, cubed

2 medium potatoes, cubed

1 tablespoon liver spread

2 tablespoons peanut butter

1 meduim red bell pepper

salt, to taste

ground black pepper, to taste

oil, for sauteing