I made these last night using two different crockpots, a large 7-8 quart one and a smaller crockpot for the ones that didn't fit. Interestingly, the ones in the large crockpot came out fine. The ones in the smaller crockpot, however, foamed up and over the jars, and steam dripped into them. So I wonder if this recipe only works in a large crockpot. Maybe they need that amount of space, or maybe the way the heat is distributed is different? Anyway, worth mentioning because I see that one other commenter had a foaming up problem.

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