- Combine garlic, thyme and pepper; press evenly onto beef steaks. Set aside.
- Brush mushrooms with oil. Place steaks on grid over medium, ash-covered coals; arrange mushrooms around steaks. Grill steaks, covered, 10 to 14 minutes (over medium heat on preheated gas grill 9 to 14 minutes) for medium rare (145°F) to medium (160°F) doneness, turning occasionally. Grill mushrooms 16 to 18 minutes (over medium heat on preheated gas grill, 12 to 15 minutes) or until tender, turning occasionally.
- Meanwhile, combine Blue Cheese Butter ingredients in small bowl until well blended.
- Cover and refrigerate 2 steaks, 4 mushrooms and 1/2 cup Blue Cheese Butter to use in Ribeye Steak Sandwiches. Spread remaining Blue Cheese Butter over remaining 2 steaks. Coarsely chop remaining 4 mushrooms; divide evenly among 4 plates. Carve steaks into slices; arrange evenly over mushrooms. Season with salt, as desired. Garnish with parsley, if desired.
Ribeye Steak Sandwiches: Toast eight 1/2-inch thick slices of olive bread. Spread 1 tablespoon leftover Blue Cheese Butter on 1 side of each bread slice. Carve leftover grilled steaks into slices; season with salt and pepper, as desired. Divide slices evenly among the buttered sides of 4 bread slices. Top each with 1 leftover grilled mushroom. Divide 1-1/2 cups fresh baby spinach evenly over mushrooms. Close sandwiches with remaining bread slices, buttered sides down. Cut sandwiches in half; serve.
Take a look at our recommended pairing below.