Love love love my silicone Souper Cubes. Bit of an investment, but I freeze everything and it slides right out in the shape of a brick and I wrap them in parchment paper, stick them in gallon size ziplocks and they stack like bricks - life changing! Souper Cubes 1-Cup Extra-Large... https://www.amazon.com/dp/B07GSSR5V2?ref=ppx_pop_mob_ap_share

I've found the Souper freezer trays to be a godsend for batch cooking things and freezing meal-sized portions. That way I can pick and choose from whatever is in my freezer.