. I am dentist but I am interested in food production and culinary. Don't know about best Diploma college or institute. Can u help me out?

Hi I am a dentist working from last 3 year. But I am interested in cooking and culinary. But I don't know that at age of 30 should I go for Diploma in culinary or should work as dentist. I really want to know the top 10 college or university for Diploma in culinary and food production.