1. You can use what you want, that the beauty of chili.
2. I've made Chili from leftover smoked meat (not just brisket) turns out fine texture wise. If I make Chili from scratch I sear in Dutch oven then put it on the pit to simmer.
3 . sounds delicious.
Let's all just calm down and smoke a fatty
Brisket is my spirit animal
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