Heat butter and oil in large stockpot to medium. Add carrot and leeks, sprinkle with salt and pepper. Cook 2 minutes, then add green beans and other veggies (except peas).
Sprinkle with salt, pepper and add garlic powder. Cook, stirring occasionally, for 5-7 minutes, or until veggies start to soften and onion is translucent.
Stir in tomatoes, stock and wine, plus seasonings. Stir in lentils and bring up to a simmer. Cook, covered, for 30-40 minutes until veggies are tender.
Stir in parsley and peas if using. Taste and adjust seasoning as required.
Top individual bowls with croutons and drizzle with pesto. Serve with crusty bread.