To make compote: Combine blueberries, sugar and lemon juice in saucepan. Bring to a boil. Cook until blueberries begin to crack. Reduce heat and simmer, stirring occasionally. To make pancakes: Combine eggs, vegetable oil, milk and flax seed in mixing bowl. Stir until lumps are gone, about 2 minutes. Lightly coat large frying pan with oil and apply heat. Pour about quarter cup of batter into pan. When batter bubbles up, flip pancake and cook an additional minute or two. Repeat process until batter is gone. Spoon blueberry compote over pancakes. Add butter.