Caramelized onions accent the mayonnaise in this delicious sandwich spread.
Preparation Time
10 mins
Cooking Time
30 mins
Total Time
40 mins
Calories
139 Calories
Recipe Instructions
Step 1
Preheat oven to 400 degrees F (200 degrees C). Line a baking sheet with aluminum foil and lightly grease.n
Step 2
Place the halved onions onto the baking sheet, and roast in the preheated oven until they have turned deep golden brown, and have softened in the center, about 30 minutes. Remove from the oven and allow to cool to room temperature.n
Step 3
Place the onions into a food processor or blender, add the mayonnaise, and puree until smooth. Season to taste with salt and pepper. Store in the refrigerator.n