Sour Cream Sandwich Sauce

Name: Sour Cream Sandwich Sauce
Ingredients: 1 cup (230 g) sour cream; ¼ cup (60 g) Fresh Mayonnaise; 2 tablespoons (30 ml) freshly squeezed lime juice, plus more as needed; ½ teaspoon ground cumin; ½ teaspoon cayenne pepper, plus more as needed; Salt to taste

Preparation info

Makes about
1½ cups

Difficulty
Easy

Appears in

Epic BBQ Sandwiches

By Brad Prose

Published 2026

About

This tangy sauce is perfect for sandwiches that need a little extra zing. It’s not too much mayo, not too much sour cream—just the perfect balance between both worlds. Try it on anything with Southwest or Mexican flavors, like the Fajita Smash Burgers (p. 27) or the Carnitas Torta (p. 109).

Ingredients

1 cup (230 g) sour cream
¼ cup (60 g<

Sauce
Gluten-free
Vegetarian

Method

Add the ingredients to a food processor and mix until smooth. Taste and adjust with salt, cayenne, and lime juice. Store in the fridge; it will be fresh for 5 to 7 days.