https://www.expensify.org/hunger -“Expensify.org will reimburse families on SNAP benefits to purchase additional essential goods. Individuals will need to share a receipt that includes a summary of SNAP benefits used on the purchase. Expensify.org will reimburse you up to $50 for essential goods and groceries purchased on your SNAP card”. Follow the instructions on that page under where it says “How to get reimbursed for your groceries” to get it.