To cut a watermelon into perfect slices, start by rinsing it under cold running water and patting dry with a clean towel. Lay the watermelon on its side and locate the equator, which is the middle section that runs horizontally around the melon. Hold a sharp knife at a 45-degree angle and carefully slice along the equator, using smooth, even strokes to create two halves. Place one half cut-side down on a stable surface. Next, position the watermelon with the rounded side facing up and locate the sweet spot by applying gentle pressure to find the tenderest area. Slice into thick, even rounds, cutting at a 45-degree angle to release the juices. To prevent uneven slices, try using a long serrated knife or a specialized melon baller. As you slice, rotate the watermelon slightly to ensure consistent thickness and minimal waste. To add visual appeal, arrange the slices on a platter in a pattern that showcases their natural shape and color. Consider garnishing with fresh mint leaves, edible flowers, or a sprinkle of feta cheese for added flavor and flair.