Crushed red pepper flakes are also a great way to get chili pepper heat—we sprinkle these on everything from cheesy pizza to seasonal sangria. Check out F&W's guide to chili peppers and spice up ...
Bring to a boil, then decrease heat and simmer for 1 hour. After 50 minutes, add the red pepper flakes and peppercorns (if added earlier they will impart too much bitterness to the broth).
The soup is spiced simply with red onion and plenty of fresh garlic, red pepper flakes and crushed fennel seeds ... Any variety of kale can be used for this recipe. Other greens, like Swiss ...