Cancer Nutrition Tips When You’re Too Tired to Cook

By Meredy Birdi, Cancer Dietitian (HCPC registered) and Nutritional Therapist

Practical Ideas for Low Energy Days

Fatigue can reach into everything. It’s different from ordinary tiredness and often doesn’t shift with rest. It can make even the small, familiar parts of daily life feel like they take more out of you than you have to give. Many people describe it as feeling like wading through treacle. And on those days, cooking from scratch can feel completely out of reach.

If preparing food feels difficult right now, you’re not alone. Many people I support want to eat well but don’t have the energy to do much. The helpful thing to remember is that nourishment doesn’t need to come from elaborate meals. There are practical ways to support your nutrition, even on the days when your energy is at its lowest.

This blog offers practical support for those low-energy days. What helps is what feels doable, and that will look different from person to person, and from day to day.

Let Go of Perfect

First things first: there is no such thing as a perfect diet, especially when you're living with cancer. On days when fatigue is making everything feel harder, your goal might simply be to eat something - anything - and that’s completely okay.

Try to shift the focus from what you "should" be eating to what feels manageable in the moment. That might be a bowl of cereal, a slice of toast with peanut butter, or soup with a sandwich. Every mouthful counts.

Ready-to-Eat Options (Minimal to No Prep)

When even light prep feels like too much, having food you can simply heat or eat can make things easier.

• Ready meals - you can always add something alongside, such as fresh or frozen vegetables, a handful of baby spinach or some salad leaves. Some brands I like include Après Food, By Ruby, COOK and Frive.

• Meals in the freezer - such as a portion of soup, stew or casserole that's ready to heat.

• Greek yoghurt with berries and seeds

• Cheese and crackers with sliced apple or grapes

• Overnight oats

• Chia seed pudding

• Hard-boiled eggs or hummus with cherry tomatoes and oatcakes

• A bowl of cereal with milk of choice, topped with berries and nuts or seeds

When You Have a Little More Energy

• Soup and a sandwich - choose a soup you enjoy and pair it with a simple sandwich.

• Baked potato - top with baked beans, tuna, or hummus - add a handful of soft greens like baby spinach, rocket, or watercress

• Wholegrain toast - try scrambled eggs, nut butter and banana, or sardines with some salad leaves

• Pitta bread - fill with hummus, cottage cheese or mashed avocado, and add whatever salad or vegetables you have to hand

• Smoothie - made with frozen berries, baby spinach and yoghurt or nut butter. You could also add some protein powder if you use it.

Low Energy Food Ideas to Keep on Hand

When your energy is low, having a few easy-to-use ingredients on hand can make a big difference. Here are some useful basics that can make putting something together a little easier:

• Tinned pulses and fish – like chickpeas, lentils, kidney beans, sardines or mackerel. These require little to no preparation and can easily be added to a meal.

• Grain pouches – brown rice, quinoa and other grains can be eaten cold or warmed. You can stir a spoonful into soup or pair with fish, chicken, eggs or tofu.

• Frozen fruit and vegetables – easy to portion out and cook just what you need. Great for smoothies or to add to soups, stews, or omelettes.

• Greek yoghurt, cottage cheese, hummus, hard-boiled eggs – easy to have with fruit, crackers, oatcakes, or toast.

• Nut butters, seeds, and nuts – easy to add to porridge, toast, or yoghurt for a boost of beneficial fats and extra energy.

If shopping feels too much right now, consider using online grocery delivery, or asking someone to help you pick up a few basics.

Batch Cooking When You Have a Bit More Energy

Doubling up on something you’re already making can be an easy way to stock the fridge or freezer without creating lots of extra work. Here are a few ideas that work well:

• Soups – like lentil, chicken, or mixed bean

• Stews and casseroles – made with beans, lentils, tofu, or meat

• Egg muffins or frittata – easy to reheat and a good way to include some vegetables

• Bolognese or chilli - ideal for making extra

• Cottage pie or fish pie – portion and freeze for another day

Ask for Help With Meals

If food shopping or cooking feels like too much right now, accepting a helping hand can really ease the load. Often, friends and family say things like, “Let me know if there’s anything I can do”, but unless something specific is suggested, it can get left there.

Being clear makes it easier for others to step in a way that’s genuinely useful. For example:

• “Would you mind picking up some yoghurt and blueberries if you’re going to the shops?”

• “If you’re making one of your casseroles this week, would you be able to set aside an extra portion for me?”

• “Could you pop a few ready meals in the freezer for me if you’re doing an online order?”

It doesn’t have to be a big ask. Small, thoughtful gestures - like dropping off a nourishing meal or a few basics - can make a big difference on a difficult day.

If asking for help feels unfamiliar or uncomfortable, I have shared some tips that might make things a bit easier here: Accepting and Seeking Help When Living With Cancer

Nourishment Isn’t Just About the Food

Some days, food might feel more about fuelling your body than enjoying a meal - and that’s okay. And when you can, try to bring in other things that nourish and sustain you too. That might be sitting by a sunny window, listening to a favourite song, or simply taking a quiet moment to read. Making time for the things you enjoy can be nourishing too.

A Final Thought

Eating well during cancer treatment doesn’t have to mean cooking from scratch or following perfect plans. It’s about tuning in to what feels possible, and finding simple, realistic ways to keep yourself nourished.

If eating is feeling really difficult and you’re not managing much at all, it’s important to let your healthcare team know. They’ll want to check in and offer additional support.

If you’d like some personalised support to make food feel more manageable right now, you are welcome to get in touch.

You’ll also find practical tips for managing fatigue in my blog: Nutrition Tips for Managing Cancer Treatment Side Effects.

This blog is for general information only and is not a substitute for individual nutrition, dietetic, or medical advice.