Using a bamboo whisk or frother, whisk the matcha into the hot water.
2 tablespoons hot water, 1/2-1 teaspoon matcha
In a small container, add pumpkin puree, pumpkin pie spice, and 1/4 cup of the protein shake. Froth until the mixture is combined and frothy, about doubled in size.
1 vanilla protein shake, 1 tablespoon pumpkin puree, 1/2 teaspoon pumpkin pie spice
Pour the remaining protein shake over a large cup of ice.
1 vanilla protein shake
Pour the brewed matcha over the protein shake, and then slightly swirl it in to the protein shake.
Carefully top the matcha with the pumpkin cold foam. Serve immediately and enjoy.