Step 1

Preheat the oven to 400 degrees Fahrenheit (200 degrees Celsius).

Step 2

In a large mixing bowl, toss the potatoes and carrots in 1 tbsp olive oil. Spread onto a rimmed baking sheet and roast for 10 minutes.

Step 3

Meanwhile, toss the asparagus, broccoli, cauliflower, and leeks in the remaining olive oil. Remove the pan from the oven and spread the vegetables over top. Season with salt, pepper, paprika, garlic powder, and lemon juice. Return to the oven and roast for 20-25 minutes. Remove and season to taste, serve immediately.