Sauté the aromatics: Set your Instant Pot to the Sauté function and heat the olive oil. Add the sliced green onions and crushed garlic, and sauté until fragrant and slightly softened.
Add the potatoes: Stir in the diced potatoes and cook for a couple of minutes, allowing them to absorb the flavors.
Incorporate the vegetables: Add the chickpeas, peas, and asparagus pieces to the pot. Stir well to combine.
Pour in the tomato juice and broth: Add the tomato juice and broth to the Instant Pot. Season with salt and stir everything together.
Pressure cook: Secure the lid on the Instant Pot and set the valve to the Sealing position. Select the Manual or Pressure Cook function and set the timer for 10 minutes at high pressure. Once the cooking time is complete, allow the pressure to release naturally for 5 minutes, then carefully perform a quick release for any remaining pressure.
Add the leafy greens: Open the Instant Pot and stir in the thinly sliced leafy greens. Let them wilt in the hot soup for a minute or two.
Finish with fresh herbs and pepper: Stir in the roughly chopped basil leaves and season with black pepper, adjusting to taste.
Serve and enjoy: Ladle the soup into bowls and garnish with extra basil leaves if desired. Serve warm and enjoy this light, flavorful, and nutritious Spring Minestrone!