1. 1. Preheat the oven to 400°F (200°C).

2. 2. Cut the cauliflower into florets, slice the carrots, and cube the Idaho potatoes.

3. 3. Place the cauliflower, carrots, and Idaho potatoes on a baking sheet. Drizzle with olive oil and season with salt and pepper. Toss to coat evenly.

4. 4. Roast in the preheated oven for 25-30 minutes or until the vegetables are tender and slightly browned.

5. 5. In a blender, combine ripe avocado with lime juice, garlic, salt, and pepper. Blend until smooth to make the avocado dressing.

6. 6. Assemble the roasted vegetables in a bowl, add fresh blueberries on top, and drizzle with the creamy avocado dressing.

7. 7. Enjoy your nutritious and delicious Roasted Vegetable Bowl with Avocado Dressing!