The phrase "brew method" refers to the way you make coffee or tea, including the steps, tools, and techniques used to prepare your drink. Full definition
I love this continuous brewing method with this crock and I love the large 2 1/2 gallon size. (amazon.com)
There are an abundance of cold brew methods and devices out there now. (whiteonricecouple.com)
I've used drip coffee as the example here, but you can simply add the pumpkin spice mix to whatever coffee brewing method you prefer and it will work. (eatyourwayclean.com)