American Kobe Flank Steak Sandwich, Grilled Sourdough, Pickled Onions, and California Avocado-Heirlo

Ingredients

• 1 - 2 lb. Wagyu flank steak
• 1 - 1 lb. loaf sourdough bread, sliced
• As needed Avocado-Heirloom Tomato Salsa (recipe follows)
• As needed Pickled Onions (recipe follows)
• As needed Jalapeño Mayonnaise (recipe follows)
• As needed California Avocado-Heirloom Tomato Salsa (Yield: 4-1/2 cups)
• 3 each large Fresh California Avocados*, small dice (20 oz.)
• 3 heirloom tomatoes, small dice (24 oz.)
• 1/2 oz. cilantro, minced
• 1 Tbsp. olive oil
• 1 oz. lime juice
• As needed salt & pepper to taste
• Pickled Onions (Yield: 4 cups)
• 2 large red onions, julienned (17 oz.)
• 8 oz. water
• 6 oz. red wine vinegar
• 10 peppercorns
• 3 Tbsp. sugar
• 2 tsp. salt
• Jalapeño Mayonnaise (Yield: 1-1/2 cups)
• 2 jalapeños (2 oz.)
• 1 1/2 oz. egg yolks (3 yolks)
• 8 oz. canola oil
• 1 garlic clove