Add 1/2 cup pitted fresh cherries, 3 tablespoons balsamic vinegar, 1/4 cup olive oil, 2 tablespoons honey, 1 teaspoon Dijon mustard, 1/4 teaspoon salt, and 1/8 teaspoon black pepper to a high-speed blender. Blend for 30 seconds until smooth and creamy. Taste and adjust sweetness or acidity as needed.