Preheat oven to 180°C. Grease a springform tin that fits the circumference of the tortillas you use.
Place parmesan into the Thermomix bowl and mill 10 sec/speed 10 Add ricotta and combine 8 sec/speed 6.
To assemble the tortilla stack place some of the cheese mix at the bottom of the tin. Top with a tortilla followed by salsa, rice, beans and cheese. Repeat until the tin is full. On the last tortilla put just salsa and cheese on top.
Bake for 30-35 minutes.
Serve with smashed avocado and sour cream. Garnish with sliced red chillies if desired.