I made it without the oil just to keep it lighter and it was still really yummy. I added a bit more lemon and some water to make it smooth. I added two cloves garlic rather than just one. The carbon footprint of this recipe is just 89 g CO2eq per serving, compared to a footprint of around 550 g CO2eq per serving for pasta with ground beef and tomato sauce. These numbers highlight how getting protein from legumes and other plant sources can go a long way toward decreasing our footprint.