When can I adding more soiled foods?

L.
My LO will be 5 months on this Friday , we already give her solid foods one time per day about 3 weeks, we tried cereal, sweet potato, avocado, carrots, Spinach, soft rice...she eat all of them with no problems. Usually she can eat 3-4 oz every time , I'm thinking add one more time for fruits to her schedule, is it too early to give her twice solid foods per day?