How hard can it be to make yellow colored food. All you need to do is add some saffron. Or use a pinch of turmeric the way I do every day for Indian curries. There's also corn and bell peppers and what not. And yet, every time I thought of making something for this month's Food in Color , imagination failed me. So I stopped thinking food and started thinking drinks. I also remembered my long forgotten wish to see what happens if I pop pineapple into the oven with some sugar. All of which becomes Caramalized Pineapple Smoothie. I buy my pineapple already peeled and cut into slices, so I arranged 3 thick slices on a baking sheet and sprinkled enough sugar to coat the fruit. Heat the oven to 250C and bake the pineapple on top rack until the sugar melts and the slices brown a bit. Let cool, then blend with 1/2 cup chilled pineapple juice and 1/2 tsp lemon juice. Pour into a glass. Slurp. Get amazed! The caramel and lemon bring out a depth of flavor you wouldn't ever im