You could take the metro (líne 2 – Red.) and get off at Goya metro station (5th stop from Puerta del Sol). Get out through General Díaz Porlier exit and look back. You will be is at the corner of Goya street. and General Díaz Porlier street (the market’s street). Cross Goya st. and take General Díaz Porlier (aside the department store Corte Ingles that you will be facing) walk 100 feet and you will be at the market’s entrance.
A taxi from Puerta del Sol (the city center) will be around 6€ if you prefer.
*Map 1: way from Goya Metro station (from exit to General Díaz Porlier) to the Torrijos Market.
and keep walking to the left corner of the second floor ahead of you.The cooking school is next to a butcher´s shop in front of the elevator.
**Torrijos Market Street view