My Dad was stationed in Thailand in the early 70's and my Mom learned to cook Thai food. She has several Thai cookbooks. This recipe is from Delightful Thai Cooking. Some people might think ketchup is not an authentic ingredient. I lived with them for six months while they were there and I can verify that the fried rice you would get at the little street restaurants always had ketchup, cucumbers, lime and cilantro. It should probably also have some fish sauce (Nam Pla), the non vegetarian fried rice recipes in the book included it. Of course then it wouldn't be totally vegetarian.
Pineapple Vegetarian Fried Rice
4 tablespoons oil
1 yellow onion finely chopped
3 cloves garlic, crushed
1 cup finely chopped carrots
1 cup finely chopped green beans
1 cup pineapple chunks
3 cups cooked rice
1 tablespoon ketchup
1 teaspoon salt
1 cucumber thinly sliced
4 tablespoons green onion, chopped
4 tablespoons fresh coriander leaves (cilantro)
In a wok, heat oil over medium heat and stir fry onion and garlic until golden brown. Add carrots and green beans and stir fry 2 minutes. Add pineapple, ketchup , rice and salt. Mix well and stir-fry 3 more minutes. Arrange sliced cucumbers around edge of serving platter. Pour the rice in the center. Garnish iwth green onion and coriander. Serves hot to 4 to 6.