elle,
that seems kind of low! im having the same exact problem as you. 5'5 90-92 lbs depending on the day. i also dont have good insurance but i do have a nutritionist and here is my starting meal pla.. it really isnt that bad its actually easier once u get 2 days down:
Breakfast- 1 grain, 1 fruit, 1 dairy::: 6 oz yogurt,1/4 cup gronola, apple
Lunch- 2 grain, 1 veg, 1 fruit, 2/3 protein, 1 fat:::
2 piece of toast/pita/e.muffin, 15 grapes, a cup off lettuce/carrots/cucumbers, 1/2 c. cottage cheese/ 2 oz cheese/1 oz nuts(counts as protein and fat)/2 oz tofurkey 1 0z cheese
Dinner- 2 grain, 1 veg, 2/3 protein, 1 fat:::
(basically same as lunch only with no fruit)
Favorite dinner-- 2 rolls, 1 oz cheese, 1 oz nuts, 1 c. cucumber
Snack- 1 grain,1 fruit 1 dairy::: 1 cup. milk, chewy gronola bar/special k, 15 grapes
You shouldn't worry about the calories becuz that will freak you out just go with the exchanges and it makes it SOOO much easier.
After about a week/week and a half- i would try adding another snack (dairy,fruit,grain) or better yet a ensure thats what im on now and then maybe a fat at breakfast (like 1 tbsp. peanut butter or 1/2 oz nuts)
You can do it! i have faith in you