Season the ribs with salt and pepper, then sprinkle the flour over the ribs evenly. Heat heavy bottom pan over medium high heat and add oil. Brown the short ribs on all sides and add them to the slow cooker.
Add sliced onions, beef stock, beer, brown sugar, cumin and paprika chipotle peppers to the slow cooker and mix. Place ribs in the broth and toss in garlic. Cook on high for 4-6 hours or on low 8-10 hours.
Pull the beef off the ribs and place back in juices. Heat up the corn tortillas, add your beef and slaw and crumbled Queso Fresco.
Chipotle Slaw
In a large bowl add the shredded cabbage, carrots, red cabbage, green onions, and cilantro
In a separate bowl whisk the mayo, chipotle peppers and lime juice and pour over the cabbage. Toss to combine
Notes
If you want to crisp up the beef. Place shredded beef on baking sheet and broil 2-3 or until the edges crisp up a bit.