Coffee-Rubbed Steak Tacos from Turntable Kitchen

Ingredients

• 1 1/2 pounds of flank steak
• 1 tablespoon of whole coffee beans
• 1 tablespoon of French gray sea salt
• 1/2 tablespoon of ground cumin
• 1 tablespoon of brown sugar
• 1 tablespoon of olive oil, plus more for the pan
• 1 small head of green cabbage, cored and very thinly sliced
• kosher salt, to taste
• 1 tablespoon of extra virgin olive oil
• thinly sliced radishes
• warmed flour tortillas
• limes
• cilantro leaves
• fresh chili garlic sauce (optional)