Line a baking sheet or tray with parchment paper. Smooth the paper flat so the yogurt spreads evenly later. This step also helps remove the frozen bark easily after chilling.

Place vanilla Greek yogurt into a large mixing bowl. Add key lime juice, lime zest, honey, and whipped topping. Stir everything together slowly until the mixture becomes creamy, smooth, and fluffy.

Pour the yogurt mixture onto the prepared tray. Use a spatula to spread it evenly into a thick rectangle shape. Make sure the surface stays smooth for a pretty frozen bark.

Sprinkle crushed graham crackers across the yogurt layer. Add white chocolate chips and shredded coconut evenly on top. These toppings give the bark extra texture and delicious key lime pie flavor.

Place thin lime slices over the top for a fresh and colorful finish. The lime garnish also adds a bright citrus smell that makes this frozen dessert feel extra refreshing and homemade.

Carefully place the tray into the freezer. Let the yogurt bark freeze for at least four hours until completely firm. Freezing slowly helps create a creamy texture instead of icy crystals.

Remove the frozen bark from the tray. Break it into medium-sized pieces using your hands or a knife. Serve immediately while cold and creamy for the best flavor and texture.