1. Peel and roughly chop the onion and garlic. Peel the carrots, parsnips, potatoes and squash and cut into 1-inch pieces.
2. Place the onion and garlic in the bowl fitted with the ultrablade knife. Mix at speed 11 for 10 seconds. Scrape down the sides of the bowl. Replace the ultrablade knife with the mixer.
3. Add olive oil and paprika to the bowl. Launch the P1 simmer program at 270°F for 4 minutes.
4. At the end of the program, add remaining ingredients and season with salt and pepper. Launch the P2 simmer program at 200°F for 35-40 minutes.