Restaurant-Quality Steak Tartare with Corn Tortilla Chips

Ingredients

• 8 oz Beef Tenderloin (silver skin removed)
• 1 shallot (finely minced)
• 2 Tbsp sherry vinegar
• 2 tsp Dijon mustard
• 2 tsp whole-grain mustard
• 1 Tbsp capers (finely minced)
• 1/8 clove raw garlic (grated with a microplane)
• 1 pickled cornichon (finely minced)
• 3 Tbsp fresh chives (finely sliced)
• 1 Tbsp extra virgin olive oil
• 1/4 tsp freshly-ground black pepper
• 1/2 tsp Kosher salt (or more, to taste)
• 1 egg yolk (optional, but classic)
• 50 corn tortilla chips (for serving)