Paleo Pickled Fennel and Roasted Radicchio w/ Tarragon

Paleo Pickled Fennel and Roasted Radicchio w/ Tarragon   Ingredients:   2 garlic cloves, finely chopped 2 medium fennel bulb, pickled (see recipe) 4 small heads of radicchio, julienne sliced 2 T lemon juice 2 T olive oil 4 T fresh tarragon leaves, torn sea salt and ground black pepper to taste   Instructions: