Roasted Pumpkin with Garlic, Sweet Potatoes and Cherry Tomatoes

INGREDIENTS

• 1 small sugar pumpkin or other winter squash
• 2 sweet potatoes
• 2 red onions
• 2/3 cup olive oil
• 5 fresh thyme sprigs
• 1 garlic head, halved crosswise
• 2 Tbs. fresh lemon juice
• 2 tsp. maple syrup
• 1 tsp. salt, plus more, to taste
• 1/2 tsp. freshly ground pepper
• 1 pint grape or cherry tomatoes