How about freeze dried vegetables light, take up much less space and also powders such as tomato powders etc. and vegan coconut milk powder??
https://www.amazon.com/Organic-Tomato-Powder-Superfood-Supplement/dp/B08JJL9WCY/
https://www.amazon.com/Frontier-Deluxe-Vegetables-Blend-Ounce/dp/B001VNKZQY/
and
https://www.amazon.com/KOS-Unsweetened-Friendly-Additives-Ingredient/dp/B07ML4R851/