Place oven rack in the middle of the oven. Preheat the oven to 350°F/177°C. Line two baking sheets with parchment paper/silicone mat.
In a medium bowl, whisk together all of the dry ingredients: all-purpose flour, matcha, baking soda, and salt.
In a large bowl, whisk the melted butter and both sugars until combined.
Add egg and vanilla extract to the bowl. Whisk until it comes together.
Dump in all of the dry ingredients and white chocolate chips. Fold together using rubber spatula until no dry flour remains.
Use cookie scoop to gather dough (about 1.5-2 tablespoons each) and roll into a ball. This will be the frog's head. For each of the eyes, take about 1/4 tsp of dough (without any white chocolate chips mixed into it), roll it into a ball, and place it on top of the head.
Bake for 10-13 minutes, until edges are slightly browned. Remove from oven.Allow to cool on sheet for at least 5 minutes then transfer to cooling rack. Place melted chocolate into small piping bags and cut a small tip. Pipe on facial features. *If you don't have piping bags, you can use ziploc bags and cut the tip off of one corner.