Guavas are small round or pear-shaped fruits that are soft when ripe. Green Juices smoothie recipe recipes easy recipes smoothie recipes smoothies easy smoothie recipes .. All smoothies are spinach or lettuce based for veggies. Healthy Shake Recipe: In a rush in the mornings? Nutritious shakes are a great way to get in your fruits, veggies, and protein! The shake I had this morning: 1. Guava PIneapple Banana Smoothie - this tropical fruit smoothie is beautiful, delicious and healthy.