Caramelized Onion Dip Gelson's

Ingredients

• 2 red onions peeled and cut in half lengthwise, sliced thinly lengthwise
• 2 Tbsp unsalted butter
• 2 Tbsp vegetable oil
• ⅛ tsp cayenne pepper
• 1 tsp kosher salt
• ½ tsp ground black pepper
• ¼ lb cream cheese
• ¾ cup greek yogurt
• ¼ cup mayonnaise
• 1 Tbsp lemon juice