Step 1:Toast the ancho and guajillo chiles in a dry pan until fragrant. Soak them in hot water for 10 minutes.
Step 2:Blend the soaked chiles, garlic, onion, and olive oil into a smooth paste.
Step 3:In a large stockpot or pressure cooker, sear the beef chunks until browned on all sides.
Step 4:Add the blended chile paste, beef broth, and spices (cumin, oregano, and cinnamon) to the pot. Simmer on low for 3 hours or pressure-cook for 1 hour.
Step 5:Strain the broth for a silky texture and shred the tender meat.
Step 6:Cook the ramen noodles according to package instructions.
Step 7:In serving bowls, add cooked noodles, pour over the birria broth, and top with shredded meat. Garnish with fresh cilantro, diced onions, and lime wedges.