Combine the sourdough discard with the melted butter. It’ll look a little odd at first but trust in the process! Keep stirring.
On a parchment lined sheet pan, use a spoon or spatula to spread out the mixture evenly, making sure that the edges aren’t too thin as it’ll burn.
Sprinkle on the everything but the bagel seasoning and bake in a 350F oven for 10 minutes.
Remove the sheet pan and lightly score the mixture so you can easily break it into crackers later. I chose to score mine into 24 small pieces. You can score it into larger 12 pieces or whatever amount you’d prefer.
Place it back in the oven and bake for another 25-30 minutes or until golden, keeping an eye on it to ensure nothing burns.
When done, let it cool until it’s cool to touch then break up the crackers into the squares you scored earlier.
Notes
If your crackers are on the thicker side, I'd suggest adding a pinch of salt!