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Caramelized Onion Dip


Ingredients

Scale
  • 5 tablespoons unsalted butter
  • 2 tablespoons vegetable oil
  • 1 red onion, thinly sliced
  • 1 yellow onion, thinly sliced
  • Kosher salt and cracked black pepper
  • 1 cup mayonnaise
  • 3/4 cup sour cream
  • 4 ounces cream cheese, softened
  • 1/2 teaspoon cayenne pepper
  • One 10-ounce box frozen spinach, thawed and drained

 


Instructions

Melt the butter in a large skillet over medium heat and add the oil. Stir in the onions and sprinkle liberally with salt and pepper. Reduce the heat to medium-low and cook the onions, stirring occasionally, until caramelized, 30 minutes. Remove from the heat and cool.

 

Combine the mayonnaise, sour cream, cream cheese and cayenne in a mixing bowl and mix vigorously until smooth. Add the onions and thawed and drained spinach and mix well. Taste and adjust the seasoning with salt and pepper as necessary.