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["Boil potatoes just until tender throughout. Depending on the size, medium to large size potatoes will take about 20-30 minutes or so. Drain off the water and let potatoes cool for 20-30 minutes. Slice potatoes into 1/4"" rounds. You will need 18 rounds for this recipe.", "Heat a grill pan over medium-high heat. Spray pan with non-stick cooking spray. You could also use an outdoor grill for this part, using the same medium-high heat.", "In a small bowl, whisk together honey and balsamic vinegar. Dip potato rounds into honey balsamic mixture and place on hot grill pan. Sprinkle potatoes with a bit of kosher salt and freshly ground black pepper, to taste. Grill for 2 to 3 minutes, or until potatoes have beautiful golden grill marks. Then flip the potatoes and grill for another 2 to 3 minutes on the other side, or until golden grill marks are achieved again. Remove grill pan from heat.", "To assemble, place a grilled potato round on a small plate (for individual servings) or a large platter (for serving family style). Top with a rounded teaspoon, more or less to taste, of pesto, spreading it out across the potato round. Place a mozzarella medallion on top of the the pesto, followed by a tomato slice. Repeat the stacking with another layer of potato, pesto, mozzarella and tomato. And then top with a third grilled potato slice and a bit of pesto.", "Press a skewer or pick (mine were about 4"" long) down through the center of the stack to stabilize. Drizzle a bit of balsamic glaze over the top, letting it run down the sides of the caprese stack. If desired, top with a basil leaf for garnish, and sprinkle with additional salt and pepper.", "Serve at room temperature.", "Note: I used a balsamic glaze that I found at the grocery store. But you can substitute with a simple homemade sweet balsamic reduction. In a small saucepan, bring 1 cup balsamic vinegar to a boil. Reduce heat to medium/medium-high and cook until the vinegar is thickened (like a thin maple syrup), about 10 minutes. Remove pan from heat and stir in 2 tablespoons of honey. Let cool completely. The glaze will thicken a bit more as it cools. This glaze can be made ahead of time and refrigerated, just let it come to room temperature while you prepare the caprese stacks."]
