Then he added the next goal as Chelsea defenders backed off him.
Marcos Alonso pulled one back for the Premier League champions on the brink of half-time to make it 3-1.
Bayern's largely dominant performance is all the more impressive when you consider they were missing key players such as Manuel Neuer, Jerome Boateng, Arturo Vidal, Thiago Alcantara and Arjen Robben. Morata's fitness will be a concern as the striker is yet to play in a pre-season game.
As well as Sanches' eye-catching performance, there were encouraging showings from new signings Corentin Tolisso and James Rodriguez.
Antonio Conte had told Diego Costa, Chelsea's top scorer last season, that he was not in his plans for the future at Stamford Bridge; the Spaniard would be sold and a replacement brought in.
Bayern made is 2-0 after 12 minutes when Ribery set up Thomas Muller, who volleyed the ball in at the far post.
Carlo Ancelotti's side opened the scoring in the sixth minute through Rafinha before Muller struck twice to take Bayern into a comfortable 3-0 lead within 27 minutes.
Chelsea had been completely outclassed but hauled themselves back into the contest on the stroke of halftime when left back Alonso latched on to Victor Moses' low cross from the right and beat keeper Tom Starke with a low, crisp shot.
Chelsea Manager Antonio Conte cautiously praised the Alvaro Morata debut in his postgame press conference.
'I feel good. I signed with the best club of England, ' Morata told Chelsea TV in his first interview since joining the club, speaking in near ideal English.
Morata, who joined the Blues from Real Madrid for an initial £58m which could rise to £70m, made an instant impact for his new team after being introduced as a 63rd-minute substitute.
DeLand sky diver sent wife video foretelling suicidal plunge
Police say in the video Vitantonio told his wife he was " not going to pull the cord and that he was going somewhere wonderful ". Vitantonio's was employer was United Parachute Technologies , which is also based in DeLand, according to Time.
BMW Denies Cartel Allegations, Recalls Euro 5 Diesels
Volkswagen , Daimler, and BMW declined to comment on the Spiegel report, with the latter two calling it "speculation". If EU officials ultimately find that the carmakers broke competition law, they could fine them billions of euros.
Spice maker McCormick buys Reckitt Benckiser's food brands
Last April, McCormick acquired Australia's Botanical Food Company, which makes the Gourmet Garden brand of packaged herbs. Money gained from selling French's would go to reducing its debt following the Mead Johnson acquisition, it said.
Sevilla sign Nolito from Man City
It's been a year to forget, an experience that hasn't turned out as I'd planned, but hopefully this summer we'll find a solution". It was clear that Guardiola would much rather start his youthful players on the wings.
Why Was Katrina Kaif's Voice Dubbed In Jagga Jasoos?
It is co-produced by Ranbir's Picture Shuru Productions, Basu's Ishana Movies and is the last production of Walt Disney India. From the critics to the public, everyone had praised Ranbir's performance from day one and looks like that trend continues...
Ginobili to return for 16th season
The team did not release contract details for Miles, who was acquired from the Indiana Pacers in a sign-and-trade deal July 9. That final game in San Antonio acted as somewhat of a celebration for what the Argentinian did for San Antonio .
Conte reveals why Cahill will captain Chelsea next season
Morata will be hoping to help Chelsea retain their Premier League title next season after the Blues won the trophy last term. Conte expects another signing to arrive in the next few days before they continue their pre-season training in Singapore.
Rauner Demands School Funding Bill Now
Speaking in Mount Zion on Monday, Rauner maintained Senate Democrats are using a procedural quirk to keep the bill from advancing. John Patterson, spokesman for Senate President John Cullerton , said discussions on releasing the legislation were ongoing.
Infamous 86-year-old jewel thief arrested once again
In 2008, Payne told the Los Angeles Times she stole her first diamond when she was in her 20s and got used to stealing. Just past year , Payne was arrested in Dunwoody for trying to lift a $2,000 diamond necklace from Perimeter Mall .