Tomatoes will tell you what they need!
You can pollinate indoor tomato plants by using an electric toothbrush 3x/week to release pollen and ensure good yields.
DIY Framed Hanging Succulent Garden | Shelterness
If you have some vintage picture frames and you want to reuse them then you can make a hanging succulent garden
Growing Tomato Plants
You can grow garlic sprouts (which are edible!) from a garlic clove. and other things you can regrow!