Can I make this sauce ahead of time?
Yes, prepare it up to 2 days in advance. Store in an airtight container in the refrigerator. Stir well before using.
What's the best way to roast the garlic?
Cut off the top of each garlic head, drizzle with olive oil, wrap in foil, and roast at 400°F for 35-40 minutes until the cloves are golden and soft. Squeeze out the roasted cloves into the sauce.
Can I substitute truffle oil?
Yes, use regular olive oil or a truffle salt for a similar flavor, though the result won't be quite as luxurious. Start with ½ tsp of truffle salt and adjust to taste.
How much sauce does this recipe make?
This makes approximately ½ cup of sauce, enough for 4-6 burgers. Double the recipe if you need more.
Is this sauce suitable for vegetarian burgers?
Yes, all ingredients are vegetarian. It pairs especially well with mushroom or bean-based patties.