If there's one thing I've learned after years on plan, it's this: the weeks I meal prep are the weeks I lose weight. It's that simple. When you've got a fridge full of prepped meals, there's no excuse to reach for the takeaway menu at 7pm when you're knackered.
I used to think meal prepping was just for gym bros with their sad chicken and rice containers. But honestly? It's the single best thing I've done for my Slimming World journey. You save money, you save time during the week, and you always know exactly what you're eating.
This is the exact 7-day plan I use when I want a really solid week. Every meal uses Free Foods and Healthy Extras, so there's no guesswork. I've also included the full shopping list at the bottom so you can just screenshot it and head to Tesco.
Here's what I'd suggest before you dive in:
Breakfast: Overnight oats made with your HEB of porridge oats (40g), fat-free natural yoghurt, and frozen berries. I prep five of these in jam jars on Sunday — they keep perfectly in the fridge.
Lunch: SW-friendly chicken tikka wraps. Shredded chicken breast (batch cooked), fat-free natural yoghurt mixed with tikka paste, salad, and your HEB wholemeal wrap. Pack the wrap separately so it doesn't go soggy.
Dinner: Slow cooker beef stew with loads of root veg — carrots, swede, potatoes, onions. I make a massive pot on Sunday and portion it out. Completely Free on plan.
Breakfast: Overnight oats (from your Sunday batch).
Lunch: Egg muffins — I make a tray of 12 on prep day. Whisk eggs with peppers, onions, mushrooms, and a bit of ham. Bake at 180°C for 20 mins. Three muffins with a side salad is a brilliant lunch and completely Free.
Dinner: Spaghetti Bolognese using lean 5% mince, tinned tomatoes, onions, garlic, mushrooms, and grated carrot (the kids never notice). Serve with your HEB of wholemeal spaghetti.
Breakfast: Overnight oats (from batch).
Lunch: Leftover Bolognese — honestly tastes even better the next day. I just reheat it and have it with a jacket potato.
Dinner: Chicken stir-fry with peppers, beansprouts, mangetout, and a sauce made from soy sauce, garlic, ginger, and a splash of rice vinegar. Serve with plain rice. All Free.
Breakfast: Overnight oats (from batch).
Lunch: Leftover chicken stir-fry on rice. I find stir-fries actually reheat really well if you don't overcook the veg in the first place.
Dinner: SW chips (par-boil, spray with Frylight, bake at 200°C), baked beans, and a couple of fried eggs (Frylight again). Proper comfort food and completely Free.
Breakfast: Overnight oats (last one from the batch — well done, you made it!).
Lunch: Big jacket potato with tuna mayo (fat-free natural yoghurt instead of mayo), sweetcorn, and a massive side salad. The potato and tuna are Free; the yoghurt counts as your HEA.
Dinner: Fakeaway Friday! SW chicken kebab — marinated chicken breast chunks (yoghurt, lemon, cumin, paprika), grilled and served in a HEB pitta with salad, pickled red onion, and chilli sauce (check syns). So much better than the chippy.
Breakfast: Full SW fry-up — bacon medallions, grilled tomatoes, mushrooms, baked beans, poached eggs, and toast from your HEB. All Free apart from the bread.
Lunch: Leftover beef stew from the freezer (you froze two portions on Sunday, remember?). Microwave and enjoy with crusty HEB bread.
Dinner: Homemade SW pizza — use a HEB wholemeal tortilla as the base, passata, loads of speed veg (peppers, onions, mushrooms, rocket on top), and your HEA of mozzarella. Grill until bubbly. The kids love making their own too.
Breakfast: Scrambled eggs on HEB toast with grilled tomatoes. Nice and easy because today is your next prep day!
Lunch: SW roast dinner — roast chicken (skin removed), roast potatoes (Frylight), carrots, broccoli, peas, and gravy made with Bisto (1 syn per serving). A proper Sunday lunch that's almost entirely Free.
Dinner: Something light — maybe beans on toast or soup from the freezer. I never feel like much after a roast.
Over the years, I've worked out what's worth prepping and what isn't:
Here's everything you need for the full 7-day plan. I've organised it by supermarket section so you're not running back and forth like a headless chicken.
Just a quick reminder on Healthy Extras for the week:
If you're on Extra Easy SP days, swap the rice and pasta for extra speed veg — it's a great way to boost your losses if you've got a big event coming up.
From this one week of cooking, you'll have these in the freezer for future weeks:
After doing this for 3-4 weeks, you'll genuinely have a freezer full of Slimming World ready meals. It's an absolute lifesaver on those evenings when cooking is the last thing you want to do.
I've been doing this for years, so let me save you some grief:
Meal prepping honestly transformed my Slimming World results. The weeks I prep, I lose. The weeks I wing it, I maintain (at best). It takes me about 2-3 hours on a Sunday and saves me probably 5+ hours during the week — plus all the stress of wondering what's for dinner.
Give this plan a go for just one week and I promise you'll feel the difference. And if you've got any questions, drop me a comment below — I'm always happy to help!
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