Seed and devein the chiles. Soak them in boiling water for 15 minutes.
Add the chiles to a blender with 1/2 cup of the soaking water, chicken broth, oregano, bouillon, sugar, onion, tomato and garlic. Blend until smooth.
Add a bit of olive oil to a preheated pan and add the tomato paste. Cook for 3 min. Strain in the red chile sauce. Simmer for 20 min on low. Add water/broth as needed and adjust for salt. Add in the cream.
Add the potato to a bowl with the masa, salt, queso fresco and warm broth. Mix until well incorporated. Divide into little balls, let them rest on a bowl with a damp towel over them.
Press each ball with a tortilla press but leave them pretty thick.
Preheat about an inch of oil in a pan.
Cook the tortillas on both sides until golden.
Coat in the sauce. Layer with Oaxaca, queso fresco, cream, cilantro and scallions. Repeat 3 times, top with iceberg, radishes and more cream.