Preheat the oven to 400°F (200°C) and line a baking sheet with parchment paper.
Toss the carrots with oil, salt, and pepper on the sheet.
Roast for 20 to 25 minutes until tender and caramelized.
Combine ricotta, lemon juice, and zest in a food processor.
Process for 1 to 2 minutes until smooth and airy.
Spread the whipped ricotta on a serving platter.
Top with the warm roasted carrots.
Drizzle with hot honey.
Garnish with thyme and pistachios before serving.