1 serving of Cool Ranch Doritos (1oz/28g, 11 chips): 150 calories, Servings per bag:11 150 x 11 = 1,650 calories per bag 1,650 per bag x 2 bags = 3,300 calories 3,300 calories in two bags + 1,214 for 1 bottle for ranch = 4,514 calories. Then she mentions "pouring ranch" over everything else she ate, so we're probably short a few calories.  I bet Cool Ranch Doritos and Ranch dressing would make one thirsty too, but I'm sure she was sticking to water... Edit: I've lived in the UK, ranch is certainly a thing. It's just not a thing that you pour over everything imaginable including chips that are already ranch flavored. Britain has its share of gross condiments like salad cream, but let's not go badmouthing Brits for having common sense about ranch dressing, fatties.