M&S Low-Calorie Swaps Weight Loss Plan — 1,800 kcal
Anyone aiming for a sustainable calorie deficit. This 7-day plan targets 1,800 kcal/day and averages 138g of protein, built around M&S's Remarksable Value (100+ everyday staples) for an estimated £55–90/week. Every meal already carries at least one lower-calorie swap — egg whites instead of whole eggs, cauliflower rice, extra lean protein instead of extra carbs — to keep calories down without cutting protein.
Plan summary
Individual days vary around these figures.
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We'll send: M&S Low-Calorie Swaps Weight Loss Plan — 1,800 kcal
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Adjust Household PortionsCurrently 1 person · 1 cook portions
Your 7-Day Meal Plan
Monday
Egg White Omelette with Peppers
Made with egg whites, mixed peppers, onion.
Recipe
Ingredients
- 7 egg whites
- ¾ pepper
- ½ onion
- olive oil spray, as needed
- 1¼ tsp mixed herbs
Allergens in this meal: Eggs. Worked out from generic ingredient names — always read the product label.
Method
- Slice or chop pepper and onion, then cook them in a non-stick pan over medium heat until softened.
- Beat the eggs in a bowl with mixed herbs and season lightly, then pour into the pan and cook over medium heat until just set, folding it over to serve.
- Season to taste and serve.
Lentil and Roasted Vegetable Soup
Made with green lentils, courgette, red pepper.
Recipe
Ingredients
- 125g green lentils
- 1 courgette
- 1 red pepper
- 1¼ onions
- 600ml vegetable stock
- 1¼ tsp cumin
Check the label for: Celery, Cereals containing gluten, Soybeans. Worked out from generic ingredient names — always read the product label.
Method
- Peel and chop onions, courgette and red pepper into even pieces.
- Heat the oven to 200°C (180°C fan) and roast courgette and red pepper for 25-30 minutes, until tender and caramelised at the edges. Meanwhile soften onions in a large pan over medium heat.
- Stir in vegetable stock and cumin, then add green lentils and simmer gently until tender and thickened.
- Taste, season and portion for serving.
Smoked Haddock and Potato Bake
Made with smoked haddock fillet, white potatoes, semi-skimmed milk.
Recipe
Ingredients
- 225g smoked haddock fillet
- 300g white potatoes
- 175ml semi-skimmed milk
- 1¼ onions
- 40g reduced-fat cheddar
- parsley fresh, to taste
Allergens in this meal: Fish, Milk. Worked out from generic ingredient names — always read the product label.
Method
- Boil the white potatoes in lightly salted water until tender, then drain if needed.
- Meanwhile, cook the smoked haddock fillet in a non-stick pan over medium heat until opaque and it flakes easily. Add onions and cook until tender.
- Slice the cooked white potatoes. Stir semi-skimmed milk and parsley fresh into the pan and season to taste. Tip the filling into an ovenproof dish and arrange the potato evenly over the top. Scatter reduced-fat cheddar evenly over the top. Bake for 20-25 minutes, until bubbling and golden on top.
Frozen Edamame Beans with Sea Salt
Made with frozen edamame beans, sea salt, optional to taste (excluded from nutrition estimate).
Recipe
Ingredients
- 175g frozen edamame beans
- sea salt, to taste
Allergens in this meal: Soybeans. Worked out from generic ingredient names — always read the product label.
Method
- Cook the frozen edamame beans in boiling water for 3-4 minutes, then drain.
- Sprinkle with sea salt to taste and eat warm, or cool and chill for later.
Weekly Shopping List
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Estimated cost: £55–90/week for 1 person from M&S. Calories and macros remain per person, while shopping quantities are scaled for the household.
Protein
Carbs & Grains
Vegetables
Dairy & Eggs
Fruit
Herbs & Spices
Condiments & Oils
Extras
Container setup for this plan
This plan has about 19 prep-friendly meals. Start with 10 main containers, 4 small sauce or snack tubs, and 2 freezer tubs.
Use 2 five-container glass packs to provide at least 10 main meal spaces, then add the separate small tubs shown above.
Best for regular weekday lunches, reheating at work, curry, chilli, pasta, and repeat washing.
- Material
- Glass
- Price and availability
- Check Amazon UK before buying
This plan includes saucy or reheated meals, so choose containers with secure, leak-resistant lids. If using plastic, check that it is suitable for reheating and follow the product instructions.
As an Amazon Associate I earn from qualifying purchases. Product prices and availability can change on Amazon UK.
Plan Details and Assumptions
M&S Shopping Evidence Notes
These basket notes explain why this plan is shaped around certain ingredients and swaps before you open the shopping list.
- Best for premium convenience, fresh prepared ingredients, quality proteins and smaller high-value baskets.
- Use M&S plans when the week needs quick assembly meals, salads, fish, cooked grains or prepared veg that save time.
- Balance the shop with simple staples so convenience items do not push the whole plan into a premium basket.
The Assumptions Behind This Plan
Every plan is built on four decisions. If one of them does not match your week, that is the part to change - the swaps below cover the common cases.
| Decision | This plan uses | Why it matters |
|---|---|---|
| Calorie target | Built around roughly 1,800 kcal per day | Moderate targets balance breakfast, lunch, dinner and snacks without extreme restriction. |
| Supermarket | M&S | M&S pages lean on premium convenience, fresh prepared ingredients and high-quality smaller baskets. |
| Budget | £55–90/week estimate | Moderate plans allow more convenience items and variety without becoming premium-only. |
| Prep style | Minimal (under 10 min/day) | Minimal-prep plans use more assembly meals, ready-to-eat staples and short cooking steps. |
Shopping This Plan At M&S
Premium food retailer; Remarksable Value makes a weekly prep shop feasible, but it remains the priciest option here.
What M&S is good for here
- Remarksable Value covers the staples a prep plan leans on most.
- Prepared and part-prepared ingredients cut cooking time substantially on low-effort plans.
- Consistently high produce quality, which holds up better across several days of storage.
Worth knowing before you shop
- Outside Remarksable Value, costs rise sharply against every other retailer here.
- Smaller pack sizes suit one or two people better than bulk batch cooking.
Retailer details checked 2026-07-20. Ranges and loyalty schemes change — the weekly cost estimate above is based on the plan's budget tier, not on live prices at this store.
Swaps & Suggestions
💰 Make it cheaper
- Buy M&S's Remarksable Value (100+ everyday staples) range for rice, pasta, oats and tins — nutritionally identical to standard lines, at the lowest price point in store
- Replace fresh salmon with tinned mackerel or sardines in brine (saves ~£2–3/week)
- Switch to M&S's value range across the board rather than mid-tier lines
- Use frozen chicken breast instead of fresh (saves ~£1.50/week, same protein)
- Swap fresh berries for frozen mixed berries (same nutrients, fraction of the cost)
💪 Increase protein
- Use 0% fat Greek yogurt or quark in place of standard yogurt for more protein at a similar calorie cost
- Add a hard-boiled egg or egg white as an afternoon snack instead of a higher-calorie option
- Swap a carb side for extra lean protein when a meal feels short on fullness
🥦 Make it vegetarian
- Replace chicken with Quorn fillets or diced firm tofu
- Swap beef mince for tinned green lentils or plant-based mince
- Use halloumi or feta instead of meat in lunch salads
- Substitute eggs or cottage cheese for fish-based meals
Frequently Asked Questions
How much does this weight loss plan cost per week?
This plan is designed for M&S and is estimated at £55–90 per week for one person at typical UK prices, depending on what you already have at home. Sparks can reduce this further.
How much protein does this plan provide per day?
This plan averages 138g of protein per day across the week, based on the meals actually selected — well above general UK guidance of roughly 0.8–1.6g per kg of bodyweight for active adults.
How is this different from a generic weight loss plan?
Plenty of weight loss plans share the same 1,800 kcal target — the difference here is that each meal already has a lower-calorie substitution built in, rather than leaving that to you.
Can I print this weight loss meal plan or save it as a PDF?
Yes. Use the export / print PDF button on the plan page. The printable version summarises all 7 days at 1,800 kcal/day, the M&S shopping list, and your chosen household portion sizes.
Is this plan suitable for meal prep?
Most recipes in this plan scale well and reheat easily. Soups, stews, and grain dishes are ideal for making in larger batches to save time midweek.
Is this plan suitable for beginners?
Yes. Recipes are rated Minimal (under 10 min/day) and use ingredients available at M&S — no specialist equipment or advanced technique is needed.
Feedback
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