I found it on netmums website a few months ago
here's the details - it's NOT affiliated with bhf though...
National heart foundation diet
The basis of this diet is chemical. If you follow the diet to the letter for one week you should lose 14 pounds (and possibly up to 20 pounds)
Day 1 Breakfast 1 slice dry toast and grilled tomatoes
Lunch Fresh fruit (any amount)
Dinner 2 hard boiled eggs, salad, grapefruit
Day 2 Breakfast Grapefruit, 1 boiled egg
Lunch Roast chicken (any amount) & tomatoes
Dinner Grilled steak and salad
Day 3 Breakfast Grapefruit, 1 boiled egg
Lunch 2 boiled eggs and tomatoes
Dinner 2 Grilled lamb chops, celery & cucumber
Day 4 Breakfast 2 slices dry toast, 2 poached eggs
Lunch fresh fruit (any amount)
Dinner 2 hard boiled eggs, salad, grapefruit
Day 5 Breakfast 1 slice dry toast, 2 poached eggs
Lunch 2 poached eggs & tomatoes
Dinner Fresh or tinned fish and salad
Day 6 Breakfast 1 boiled egg, 1 glass grapefruit juice
Lunch Fresh fruit (any amount)
Dinner Roast chicken, cabbage, carrots
Day 7 Breakfast 2 scrambled eggs, grilled tomatoes
Lunch 2 Poached eggs& spinach
Dinner Grilled steak & salad
NOTE
Abstain from anything not mentioned.
Eat only what is shown or do without.
No substitutions allowed.
No eating between meals
No alcohol
No butter milk or fat
Drinks = black tea, black coffee, lemon tea, grapefruit juice, tonic, soda or water only
Salad = lettuce, cucumber, tomatoes and celery only
DO NOT DIET FOR MORE THAN ONE WEEK AT A TIME.