Gather all ingredients. Dotdash Meredith Food Studios
Make the soup: Bring a large pot of water to a boil. Add tripe, reduce the heat, and simmer, periodically skimming off fat, for 2 hours; drain. Fill the pot with fresh water, and simmer tripe for 2 more hours; drain again. Dotdash Meredith Food Studios
Pour 1 gallon water over tripe in the pot; bring to a boil. Stir in onion, garlic, red pepper, oregano, salt, and black pepper. Reduce the heat and simmer for 1 hour. Dotdash Meredith Food Studios
Meanwhile, set an oven rack about 6 inches from the heat source and preheat the oven's broiler. Arrange árbol chiles on a baking sheet. Broil chiles in the preheated oven just until they begin to scorch, about 2 minutes. Dotdash Meredith Food Studios
Remove from the oven, slit lengthwise, and remove seeds. Dotdash Meredith Food Studios
Place árbol chiles into a blender or food processor with japones chiles; blend until minced. Dotdash Meredith Food Studios
Stir chile mixture into the pot and continue cooking over low heat for 2 hours. Dotdash Meredith Food Studios
Mix hominy into the pot and cook for 1 hour. Serve soup with cilantro, onion, and lime wedges. Dotdash Meredith Food Studios
Menudo Rojo (Red Menudo) · Dinner Match Lab | Dinner Match Lab