Wow! You had so much more success than I did, but then, I live in a convection oven (Phoenix, Arizona) and had to factor in the cost and fuss of constant watering.
If you want to kick it up a notch, consider poultry. If your neighborhood allows chickens, a few hens can give you plenty of eggs. They are also a huge boon for composting as they will eat weeds, seedlings, and any bugs they can find, while using their little rakes to turn the compost over. You give them table scraps (lettuce ends, stale bread, whatever else you might compost), they give you eggs and fertilizer. It’s a win-win. Plus, the eggs are better than what you can get in the store, and you’ll know they came from happy, well-fed hens.