Preheat oven to 425 degrees
Toss the fennel, lemon and red pepper with 1T olive oil, 1t salt and 1/2t pepper on place onto a baking sheet
On a separate baking sheet, rub chicken thighs with remaning olive oil, salt and pepper and top with thyme
Place the vegetable mixture on the top rack, and chicken on the bottom rack for 35-40 minutes, you want the vegetables to begin to char. Switch the chicken and vegetable racks, and put the broiler on, until the chicken is cooked and golden brown (4-5 minutes) The temperature of the chicken shoud be 165 degrees F
Remove both trays from the oven, and add the arugula to the vegetable tray, and toss until wilted. Squeeze 1 roasted lemon over the vegetables, and serve with chicken and remaining lemons
Enjoy!