Chef Maria Loi’s All Purpose Sauce-in-a-Jar

Makes about 1½ cups

1⁄3 cup fresh lemon juice (2 to 3 lemons)
¼ teaspoon mustard powder
Salt and freshly ground black pepper
¼ cup mint leaves, chopped
1 cup extra-virgin olive oil
Black lime zest, optional

1. In a tightly resealable container, combine the lemon juice, mustard powder, and salt and pepper to taste.
Cover and shake vigorously until fully combined.
2. Add the mint and olive oil, add a grate or two of the black lime zest, seal the container, and shake vigorously until the sauce has emulsified.