Healthy Mediterranean Chicken Skewers

Name: Lemon-Caper Mashed Potatoes
Ingredients: 1 pound russet potatoes, peeled and cut into chunks; 1 pound Yukon Gold potatoes, peeled and cut into chunks; 2 sticks butter, cut into pads; 1/2 cup buttermilk; 2 tablespoons capers, chopped; 1 lemon, zested and juiced (about 1/4 cup juice); Salt and pepper to taste