6 tablespoons olive oil, divided
3 garlic cloves, minced, divided
2 dried chiles de árbol
1 bay leaf, preferably fresh
1 1/4 cups chopped tomato (about 8 ounces)
Kosher salt, freshly ground pepper
1 tablespoon tomato paste
2 15-ounce cans white beans (such as cannellini), rinsed, drained
1 cup low-sodium chicken broth
1 pound medium shrimp
1 teaspoon smoked paprika
2 tablespoons chopped flat-leaf parsley
Grilled bread (optional)

Ingredient info: Dried chiles de árbol are available at Latin markets, specialty foods stores, and some supermarkets.