In a large pot mix together the red pepper, onion, and butter, flour and stir in the tomato paste..
Prepare the tripe by cutting them into thin strips and add them along with salt, marjoram, stock, and bay leaf to the pot.
Cover the pot in half and simmer for about 30 minutes.
When ready discard the bay leaf.
In a small bowl salt, garlic and vinegar and let it soak for about an hour.
Serve hot, garnish with the garlic and vinegar mixture and the hot chili peppers.