Blend lime juice, honey, mustard, garlic powder, salt, black pepper, and cumin together in a bowl; stream olive oil into lime juice mixture while whisking until well combined. (It makes about 1 cup)
¼ cup fresh lime juice (2 juicy limes), 2 Tablespoons honey, ¾ teaspoon Dijon mustard (or regular mustard), ½ teaspoon garlic powder, ½ teaspoon kosher salt, ¼ teaspoon ground black pepper, ¼ teaspoon ground cumin, ¼ cup extra virgin olive oil