Cheesesteak Sandwiches with Smoked Gouda Sauce Recipe

Ingredients

• 2 ½ to 3 lbs. T-Bone steaks, trimmed
• 2 garlic cloves, micro planed or very finely minced
• 4 Soft hoagie rolls or brioche sub rolls, split ¾ through
• 7 Tbsp avocado oil
• 2 Tbsp unsalted butter
• 2 large yellow onions, trimmed, peeled, halved, and sliced 1/8 to ¼ inch thick
• 1 lb mushrooms (shitake or cremini), sliced
• 1 Tbsp bourbon
• ¼ cup fresh parsley leaves, finely chopped
• 3 red bell peppers, seeds and ribs removed, thinly sliced
• 1 ¼ cup smoked gouda cheese, grated
• 1 Tbsp all-purpose flour
• 2 cups whole milk, warmed
• 1/3 cup Parmigiano-Reggiano, finely grated
• ½ tsp smoked paprika
• Kosher salt
• Freshly ground pepper