Hat oil in a large heavy pot over medium high heat. Add onions and garlic, sauté until translucent.
Add zucchini and other vegetables, sauté for 5 minutes.
Add can tomatoes, all of the spices, and tomatoe paste, stir well.
Add chipotle peppers, beans, beer and vegetable stock. Enough liquid to to cover all ingredients in the pot.
Bring to a boil and then let simmer for at least 30 minutes, stirring occasionally. Remove from heat and adjust seasonings to taste. I like to let it simmer a little longer.
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