M&S Omega-3 Pescatarian Plan — 1,800 kcal
Fish and plant-based meals. This 7-day plan targets 1,800 kcal/day and averages 118g of protein, built around M&S's Remarksable Value (100+ everyday staples) for an estimated £55–85/week. Protein comes from whole foods — fish, eggs, dairy, legumes — rather than protein powders or bars, in line with the whole-food approach this plan takes throughout.
Plan summary
Individual days vary around these figures.
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Adjust Household PortionsCurrently 1 person · 1 cook portions
Your 7-Day Meal Plan
Monday
Skyr with Walnuts, Honey and Banana
Made with skyr, walnuts, banana.
Recipe
Ingredients
- 225g skyr
- 20g walnuts
- 1 banana
- 1 tsp honey
Allergens in this meal: Milk, Tree nuts. Worked out from generic ingredient names — always read the product label.
Method
- Slice or portion banana as needed.
- Combine skyr, walnuts, banana and honey in a bowl or lidded container.
Tuna Niçoise Salad
Made with tinned tuna in spring water, new potatoes, eggs.
Recipe
Ingredients
- 1¼ standard tins of tuna, drained
- 175g new potatoes
- 1 egg
- 90g green beans
- 9 cherry tomatoes
- 11 olives
Allergens in this meal: Eggs, Fish. Check the label for: Sulphur dioxide and sulphites. Worked out from generic ingredient names — always read the product label.
Method
- Boil the new potatoes in lightly salted water until tender, then drain and cool slightly.
- Boil the egg for 8-9 minutes, adding the green beans for the final 4 minutes. Cool under cold water, then peel and halve the egg.
- Drain the tuna; halve the cherry tomatoes; drain the olives if needed.
- Arrange everything in a bowl, season with black pepper and serve.
Mushroom and Lentil Shepherd's Pie
Made with green lentils tinned, mushrooms, onion.
Recipe
Ingredients
- 1 standard tin of green lentils, drained
- 225g mushrooms
- 1 onion
- 2 carrots
- 275g sweet potato mash
- 225ml vegetable stock
Check the label for: Celery, Cereals containing gluten, Soybeans. Worked out from generic ingredient names — always read the product label.
Method
- Heat the oven to 200°C (180°C fan).
- Cook green lentils, mushrooms, onion and carrots in a pan over medium heat until softened and hot through.
- Add vegetable stock and simmer for 8-10 minutes, until the filling has thickened and is no longer loose.
- Season the filling, then tip it into an ovenproof dish and level the surface.
- Spread the sweet potato mash evenly over the top, right to the edges so the filling is sealed in, and rough up the surface with a fork.
- Bake for 20-25 minutes, until the topping is golden and the filling is bubbling at the edges. Rest for 5 minutes before serving.
Almonds and Dried Cranberries
Made with almonds, dried cranberries.
Recipe
Ingredients
- 30g almonds
- 20g dried cranberries
Allergens in this meal: Tree nuts. Check the label for: Sulphur dioxide and sulphites. Worked out from generic ingredient names — always read the product label.
Method
- Combine almonds and dried cranberries in a bowl or lidded container.
Weekly Shopping List
Need containers for this batch? Compare meal prep containers →
Estimated cost: £55–85/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
Plant-Based Milks & Alternatives
Dairy & Eggs
Fruit
Herbs & Spices
Condiments & Oils
Tins & Jars
Extras
Container setup for this plan
This plan has about 18 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 | £55–85/week estimate | Moderate plans allow more convenience items and variety without becoming premium-only. |
| Prep style | Standard (20–30 min/day) | Standard-prep plans balance variety, fresh meals and realistic weekday cooking. |
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
- Compare M&S's own-brand versions of the ingredients on this shopping list
- Compare the price per 100g or 100ml when choosing pack sizes for this week’s quantities
- Plan another use for any unused pack contents before buying extra ingredients
- Compare dried pulses with the tinned pulses on this list if you have time to soak and cook them
- Compare fresh and frozen salmon prices for the salmon meals in this plan
- Compare fresh and frozen berries for the berry meals in this plan
💪 Increase protein
- Add an extra tin of fish (mackerel, sardines, tuna) rather than reaching for a protein bar
- Use extra eggs or cottage cheese as a whole-food protein top-up between meals
- Swap a processed snack for a handful of nuts and a boiled egg to keep protein whole-food
Frequently Asked Questions
How much does this pescatarian plan cost per week?
This plan is designed for M&S and is estimated at £55–85 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 118g of protein per day across the week, based on the meals actually selected — in line with general UK guidance of roughly 0.8–1.6g per kg of bodyweight for active adults.
How is this different from a generic pescatarian plan?
Plenty of pescatarian plans share the same 1,800 kcal target — the difference here is that protein comes from whole foods throughout, with no reliance on powders or bars.
Can I print this pescatarian 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 pescatarian eaters?
Yes. Every meal in this plan is pescatarian, using ingredients readily available from M&S.
Feedback
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