Preheat oven to moderate baking temperature

Line a sheet pan with parchment paper

Crack eggs into a large mixing bowl

Whisk until fully blended and slightly frothy

Add almond flour, coconut flour, sweetener, baking powder, and salt

Pour in almond milk, melted butter, and vanilla extract

Whisk gently until batter becomes smooth and lump-free

Pour batter evenly into prepared sheet pan

Spread gently for uniform thickness if needed

Bake until center is set and edges lightly golden

Remove from oven and allow to cool slightly

Slice into squares and serve with toppings