I had introducedCarbohydrate Group: Barley & Brown Rice Cereal to my twins. (lo coming 7mths) Thinking to try the Vegetable Group tmr. What vegetables to recommend first? Baby Spinach? Carrot? Pumpkin?? (Also can share recipe and the portion to prepare..thks) Is avocado consider vegetable or fruit? As i would prefer to start Fruit Group last.