In sauce pan, mix all ingredients except hamburger and buns. Bring to simmer. Let simmer for 20 minutes, tasting frequently. If something is missing add it.
Meanwhile, brown hamburger. When browned, drain and add to sauce. Stir together. Let simmer until ready to serve.
To serve, place meat mixture on buns. Or place both on table and let everyone serve themselves!

Recipe notes:

We make this outside (during our cooking classes) on a propane stove or inside on the regular stove. It goes over great with eaters of all ages. When there are kids around, we go a little heavier on the brown sugar to make it sweeter. When the party is all adults, we go a little heavier on the garlic and onion.
This recipe can easily be increased for large groups, but be careful about the spice ratios. Spices like curry and chili powder get stronger exponentially, not proportionally.
I do not recommend adding both chili powder and curry to the same dish. The taste is very strange (to say the least!)
If you want to have your child make this dish, add 1/4 cup of catsup instead of the vinegar and brown sugar. It is a little easier and a little more familiar!

What is a liner pan and how do I use it?

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