Mushroom and Swiss Sliders with French Onion Aioli

FRENCH ONION AIOLI
1/2 Cup Mayo, Optional Recipe Below
1/2 Onion Sliced
2 Tablespoons Butter or Ghee
1 Teaspoon Minced Garlic
1/4 Teaspoon Salt

MAYO INGREDIENTS
1 Egg Room Temp
3/4 Cup AVO
1/2 Teaspoon Dijon
1/2 Teaspoon Salt
3/4 Teaspoon Lemon Juice Room Temp

BURGER INGREDIENTS
4 Slices of Swiss Optional
Salt and Pepper
1LB Ground Beef
4oz Mushrooms Sliced
2 Tablespoons Butter or Ghee

MAYO ASSEMBLY

1. In a food processor add 1/4 cup oil, mustard, egg, and salt. Process until smooth and yellow.
2. VERY slowly add the oil. This took me about 4 -5 minutes to add. The slower the better!! 3. Add lemon juice and process for 5 seconds.
   
   AIOLI ASSEMBLY
3. In a medium sized sauce pan add ghee, garlic and onions. Heat on low and Caramelize. This takes time, stir occasionally until fully Caramelized.
4. Add onions to food processor. Process until almost smooth. Add mayo and salt. Process until mixed we’ll.
   
   BURGER ASSEMBLY
5. Form 8 beef patties. Top with salt and pepper.
6. Place a grill pan over medium heat and add patties. Cover with foil to avoid splatter. Heat 3-4 minutes per side. Top with Swiss.
7. While burgers are grilling add mushrooms and ghee to a small
   Sauté pan. Heat until tender.
8. Plate burgers and top with aioli, mushrooms and favorite burger toppings.