Preheat oven to 350 degrees F (175 degrees C). Line a baking pan with parchment paper and lightly grease.
Combine flax seed meal, sugar substitute, dill weed, salt, baking powder, garlic powder, and onion powder in a bowl. Mix well. Stir in eggs, cottage cheese, water, and oil; combine well, making sure there are no obvious strings of egg white. Let batter rest until slightly thickened, 2 to 3 minutes.
Pour batter into the prepared pan. Spread into a rectangle 1 to 2 inches from the sides of pan.
Bake in the preheated oven until browning and the top springs back when pressed, about 20 minutes. Let cool before slicing.