Rinse the rice in a sieve under running water until the water runs clear. Drain well. Place the water and rice in a pan, cover and bring to the boil, season with salt. Cook the rice for approx. 3 mins. Remove the pan from the heat and leave the rice for approx. 12 mins. until fully absorbed; do not lift the lid. Separate the rice with a fork, mix the beans in with the rice.
Puree the crème fraîche, coriander, lime juice and salt.
Arrange the spinach, avocado, pepper and jalapeños in the middle of the tortillas. Add the rice and half of the dressing, roll up and place in the dish. Mix the remainder of the dressing with the cheese, spread on top.
Approx. 15 mins. in the centre of an oven preheated to 200°C.