Sunday Supper: Turkey and Roasted Poblano Chili

3/4 teaspoon ground cumin

2 small onions, chopped

4 cloves garlic, chopped

1 1/2 cups (12 ounces) Chicken stock

1 cup dried navy beans

2 cloves garlic, crushed

1 poblano pepper

1 (28-ounce) can diced tomatoes

1 tablespoon chili powder

1/2 teaspoon smoked paprika

Kosher salt and cracked black pepper

Bunch of scallions thinly sliced, optional

Sour cream, optional