What are common grocery items that you always insist on cooking from scratch at home?

I always make my own chicken/vegetable stock, yogurt and cheese. I also occasionally make my own pickled onions and spice mixes like garam masala since I get to customize them accordingly to my tastes and I feel it’s much more fun mixing things up once in a while

Sure, buying them from the store is much more convenient but homemade stuff hits differently.