In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt. Create a well in the center.

In a medium bowl, beat the egg, then mix in canola oil, buttermilk, and green food coloring until smooth.

Pour the wet ingredients into the well of dry ingredients. Gently stir until just combined.

Preheat griddle to 250°F (120°C) and grease lightly.

Pour ¼ cup batter onto griddle, cooking until edges dry and bubbles form (2-3 minutes). Flip and cook until golden brown.

Transfer pancakes to a plate and serve warm with butter and syrup.