Place the bell peppers and garlic on a baking sheet and roast for 25 minutes.
In a dry skillet, toast the cumin and coriander seeds over medium heat for 2 minutes.
In a blender or food processor, combine the roasted bell peppers and garlic, toasted spices, smoked paprika, cayenne pepper, salt, olive oil, tomato paste, and lemon juice.
Pulse the mixture until it is a thick paste.
Transfer the Harissa to an airtight container and store in the refrigerator for up to two weeks.
Interesting Facts
Harissa is a popular condiment in North African and Middle Eastern cooking.
Harissa is made with a variety of chili peppers, including serrano, jalapeno, and habanero.
Harissa is often used as a marinade for meats, such as chicken, beef, and lamb.
Harissa can also be used as a dip or spread for sandwiches and tacos.