Powder Formula for 2yr old BF baby

My 2yr old is still nursing and all night for soothing 😩. She drinks great from a regular straw during the day but I want to wean off boob soon and I wanted to see what formulas your exclusive BF babe liked. I was thinking powders or formula cuz I don’t want milk sitting too long in my fridge. We are not big milk drinkers here I just like Almond Breeze milk for myself

She has teeth so I know I should stay away from pacifiers or bottles but what do I do since she likes the boob lol

I’ve gone 8hrs no BF and she did great but when we are home she wants to sooth all the time.

Did you guys have to go get a shot to stop milk being produced?

TIA :)