Korean beef tacos (slow-cooker) - Le Coup de Grâce

Ingredients

• 1kg boneless beef scoter, cut in 2 cm strips against the grain
• Canola oil
• 1 red onion, finely chopped
• 4 garlic cloves, finely chopped
• 2 cups Ginger Wolf Hopfenweisse beer (or any strong ginger beer)
• 2/3 cup reduced in sodium soy sauce
• 1/4 cup compact brown sugar
• 2 tablespoons sesame oil
• 2 tablespoons cornstarch diluted in 1/4 cup cold water
• 2 teaspoons fresh coriander, finely chopped + a bit for serving
• 1 tablespoon rice vinegar
• 1 tablespoon hoisin sauce
• 1 tablespoon fresh ginger, finely grated
• 2 teaspoons Sriracha
• 2 teaspoons sesame seeds
• 3 scallions, finely sliced
• 8 small corn tortillas
• Sour cream
• Salt and ground pepper
• 2 big brocoli stalks, skin removed then cut in juliennes
• 1 medium carrot, grated
• 3 small radishes, sliced ultra thin with a mandoline
• 2/3 cup red cabbage, sliced very finely
• 2 tablespoons rice vinegar
• 1 teaspoon fish sauce Nuoc Mam