Black Lava Salt and Rosemary Crusted Filet over Browned Butter Mashed Yukons and Mayo Mustard Roasted Asparagus - I Feel Like Cooking

Ingredients

• 5 medium Yukon potatoes cut into 1-inch pieces
• 2 t kosher salt
• 1 t black cracked pepper
• 4 T unsalted butter
• ¼ C heavy cream
• 40 thin asparagus spears, washed and hard end of stalks trimmed off
• 2 T mayonnaise
• 2 t yellow mustard
• ½ t kosher salt
• 8, 5-ounce filet mignons patted dry
• 2 T black lava salt
• 3 T fresh rosemary chopped finely
• 4 T good olive oil
• 4 rosemary sprigs
• 2 large cloves garlic cut in half