How to turn spent coffee grounds into cold brew recipe | Waste not
Briefly

Cold brew coffee made from spent grounds is less acidic, less bitter, and heavily caffeinated due to a long infusion time. It can be effortlessly made at home, saving cost and time usually associated with store-bought cold brew.
Spent coffee grounds can be reused to make cold brew after hot brewing, providing a sustainable and economical solution. They retain significant flavor and caffeine, making them perfect for a second round of brewing.
Having a batch of homemade cold brew in the fridge for iced coffee is a gamechanger, especially when it's made from spent coffee grounds, which essentially cost nothing. This DIY approach cuts down on waste and expenses.
Read at www.theguardian.com
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