Coffee and Molasses Flank Steak Image

Coffee and Molasses Flank Steak

Mary's Kitchen Crush - "Southern Charm"

Prep Time
Cook Time


  • 1 cup (125ml) cold coffee
  • 2/3 cup (225ml) molasses
  • ¼ cup (60g) Dijon mustard
  • ¼ cup (60ml) olive oil
  • 3 tablespoons (45ml) balsamic vinegar
  • 1 yellow onion, roughly chopped
  • 4 cloves garlic, roughly chopped
  • 1 inch (2 1/2 cm) piece ginger, thinly sliced
  • 8 sprigs thyme
  • 4 sprigs rosemary
  • 2 teaspoons (10g) kosher salt, plus more
  • 1 teaspoon (5g) freshly ground black pepper, plus more
  • 750–800 g (approx. 1 3/4lb) flank steak


  1. In a medium bowl, whisk together coffee, molasses, mustard, olive oil and vinegar.
  2. Add onion, garlic, ginger, thyme, rosemary, salt and pepper; whisk to combine.
  3. Pour marinade into a large resealable bag and add steak. Seal, remove as much air as possible and turn to coat steak.
  4. Place resealable bag on a rimmed baking sheet and refrigerate for 4 to 8 hours.
  5. Remove from fridge 30 minutes before cooking.
  6. Heat broiler to high and set a rack 6-inches (15cm) from broiler.
  7. Remove steak from rimmed sheet and line sheet with a roasting rack. Remove steak from marinade, shake off any excess and place on prepared sheet. Season with salt and pepper.
  8. Broil until 120 to 125F (50C), about 8 to 12 minutes, flipping halfway.
  9. Set the aside steak to rest for 10 minutes under foil before slicing against the grain to serve.