BLT Tacos with Green Chile Mayonnaise - Rick Bayless

Ingredients

• 1 egg
• The juice of 1/2 lime
• 1 fresh serrano chile, stemmed and roughly chopped
• A small handful of cilantro, roughly chopped, plus some leaves for garnish
• 1/2 cup vegetable oil
• 1/2 cup olive oil
• Salt
• 10 thick slices (10 ounces) bacon, sliced crosswise in ½-inch pieces
• 12 little gem lettuce leaves
• About 1 pound ripe (preferably heirloom) tomatoes (different colors and sizes will make your taco more interesting), cut into ¼-inch pieces
• 1 avocado, pitted, flesh scooped from skin, sliced into 12 pieces
• 12 warm fresh corn tortillas