- 1 tablespoon vegetable oil
- 2 cups thinly sliced onion
- 2 teaspoons chopped fresh sage leaves
- 3/4 cup mayonnaise
- 3/4 cup sour cream
- 1 teaspoon salt
- 1 teaspoon ground black pepper
- Potato chips, for serving
Whisk together mayonnaise and sour cream in a medium bowl to blend. Stir in the cooled caramelized onions, salt, and pepper. Cover dip and refrigerate until flavors blend, about 2 hours.