Roasted Fennel with Mashed Beans and Lemon

Name: Roasted Fennel with Mashed Beans and Lemon
Ingredients: 1 fennel bulb; 1/2 lemon, sliced in wedges; 1/2 lemon, zested (optional); spray of oil; salt & pepper; 1 clove garlic, chopped; 1 can of white cannellini, pinto or navy beans (anything light colored) drained and rinsed