I’m T2 and have found that pretty much any kind of grain or grain product will give me a huge spike – especially rice. Brown or white, it makes no difference. So I just don’t eat rice anymore, ever. Also on my “never” list: pancakes, hash browns, any kind of cereal that comes in a box. And that’s just breakfast!
Toast is my big temptation – I love it. Alvarado St. Bakery makes a decent organic flax seed bread with only 6 grams of carb per slice; most grocery stores carry it in my area (north Bay Area, CA). Here’s the info: http://tinyurl.com/3budqj The slices are kind of small but it toasts up nice and I can have two slices with breakfast with no spike (I ride my bike 3 miles after breakfast most days, which probably helps).
(Interestingly, the same company makes a “diabetic lifestyles low-glycemic” bread that has FIFTEEN grams of carb per slice! Personally I haven’t found claims of “low glycemic index food” to make much difference to my BG levels; I pay more attention to the total carb count and serving size.)
With fruit, it depends on the fruit. I seem to have the best luck with fresh raw berries, which are relatively low-carb and surprisingly satisfying. Strawberries, blueberries … love em. Hard fruits like apples and pears are OK too. Tropical fruits (including citrus) have never been my favorite so I haven’t tested much with those.
I know you asked about foods that are “bad” for us, but I guess for me it’s more fun to think of things that are OK – so I’ll also mention that I love chocolate. My favorite is the Lindt dark chocolate truffles, the little square ones in the blue flat box … only about 2.5 grams of carb per square, and they’re so good I can be happy with only one or two.