- 1 tablespoon butter
 - 2 cups diced yellow squash
 - 2 cups diced zucchini
 - 2 tablespoons balsamic vinegar
 
- Melt the butter in a large skillet over medium to medium-high heat. Add the yellow squash and zucchini; cook and stir until lightly browned and tender. Transfer to a bowl, and toss with balsamic vinegar.