This Tuna, White Bean and Rocket Salad with Lemon Dressing is a PCOS-friendly recipe with 412 calories, 34g protein, and 32g carbs per serving. Ready in 10 minutes. High in fiber (11g), which supports insulin sensitivity.
Nutrition per Serving
This is the lunch to fall back on when the fridge is empty and the alternative is a sandwich or a takeaway. Everything except the rocket and tomatoes lives in a cupboard, and it still lands 34g of protein and 11g of fibre.
Grocery list:
- Tinned tuna in olive oil
- Tinned cannellini or butter beans
- Rocket
- Red onion
- Cherry tomatoes
- Extra virgin olive oil
- Lemon
- Dijon mustard
- Capers
- Fresh parsley
Glycemic index of the key ingredients: cannellini beans 31, tuna 0, tomatoes 15, rocket effectively 0.
Ingredients
Instructions
-
Soak the sliced red onion in cold water for 5 minutes, then drain. This takes the harsh edge off without cooking it.Whisk the olive oil, lemon juice, Dijon and a good grind of black pepper into a dressing.Tip the drained beans into a bowl and toss them in half the dressing. Let them sit for a few minutes to absorb it.Flake in the tuna in large chunks. Do not stir it to a paste, the texture is most of the pleasure here.Fold through the rocket, tomatoes, onion, capers and parsley, add the rest of the dressing, and serve.
Why this works for PCOS
Protein at lunch is the most underrated lever in PCOS eating. It is the macronutrient with the strongest effect on satiety hormones, and getting 30g or more at midday is the difference between an afternoon of steady focus and an afternoon of negotiating with the biscuit tin.
White beans do something specific here. Their fibre and resistant starch produce a documented second-meal effect: eating them at lunch measurably improves the glucose response to your next meal, hours later. That is an unusually good return for a tin that costs almost nothing.
The ingredients doing the work
- Tuna: 30g of protein per drained tin, plus selenium and some omega-3. Buy tuna in olive oil rather than brine. The oil carries flavour and slows digestion, and the calorie difference is trivial next to what it does for satiety.
- Cannellini beans: GI 31, 8g of fibre, and enough starch to make this an actual meal rather than a salad you are hungry after.
- Rocket: nitrates and folate for very little carbohydrate.
- Lemon and vinegar-style acidity: acid with a meal has been shown to lower the post-meal glucose peak, an effect that is small but free.
Swaps that keep it low GI
Vegetarian: swap the tuna for two hard-boiled eggs plus an extra half tin of beans. Vegan: use marinated smoked tofu and add pumpkin seeds. Tinned salmon or sardines are a straight substitute with more omega-3 if you can get past the stronger flavour.
How this fits a PCOS week
One good meal does not move insulin, androgens or cycle length. A repeatable week does. The point of this recipe is that it is boring in the best way: it holds its blood-sugar shape whether you cook it carefully on a Sunday or throw it together on a Wednesday night, so it survives real life.
PCOS Meal Planner builds this into a full week around your calories, your symptoms and the foods you actually like, then hands you the grocery list. You cook. It handles the arithmetic.
Why this Tuna, White Bean and Rocket Salad with Lemon Dressing works for PCOS
With 34g of protein per serving (about 33% of calories), this Tuna, White Bean and Rocket Salad with Lemon Dressing sits at the top end of the 25-35g per-meal range that the 2023 International PCOS Guideline recommends for managing insulin resistance and supporting lean mass. Higher-protein meals also blunt the glucose response when carbohydrates are included, which matters for women with PCOS because chronic insulin elevation drives androgen excess and irregular cycles.
The 32g of carbohydrates here come paired with 11g of fibre, which slows glucose absorption and produces a flatter post-meal blood sugar curve. Fibre is one of the most under-rated tools for PCOS: it feeds gut bacteria that produce short-chain fatty acids linked to improved insulin sensitivity, and it modestly lowers circulating androgens by binding bile acids in the gut.
Fat makes up about 37% of calories in this dish. Dietary fat plays a load-bearing role in PCOS because sex hormones are synthesised from cholesterol, and very-low-fat eating can suppress hormone production over time. The 2023 PCOS guideline does not specify a strict fat target, but most clinicians recommend at least 25-35% of calories from a mix of monounsaturated, polyunsaturated, and saturated sources.
Lunch is where most PCOS meal plans either succeed or collapse. A meal like this Tuna, White Bean and Rocket Salad with Lemon Dressing that combines adequate protein, fibre-rich carbs, and fat keeps blood sugar stable for the rest of the workday and reduces the late-afternoon energy crash that drives sugar cravings around 3-4pm.
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Frequently Asked Questions
Yes, this Tuna, White Bean and Rocket Salad with Lemon Dressing recipe is designed to be PCOS-friendly. At 412 calories per serving with 34g of protein, it supports balanced blood sugar and hormonal health. It also provides 11g of fiber, which helps with insulin sensitivity.
This recipe takes about 10 minutes total. Prep time is 10 minutes. It makes 2 servings, so you can meal prep for multiple days.
Per serving: 412 calories, 34g protein (33%), 32g carbs, 17g fat. Plus 11g fiber. PCOS meal plans typically aim for 30% protein, 35% fat, 35% carbs to support insulin sensitivity.
Yes, this recipe works well as a PCOS-friendly Lunch. At 412 calories, it fits within typical PCOS meal plan targets for Lunch. Pair it with other PCOS-friendly foods throughout the day for balanced nutrition.
This recipe can be part of a structured PCOS meal plan. It makes 2 servings, making it great for meal prep. For a complete weekly plan tailored to your PCOS type, take our free 60-second quiz at pcosmealplanner.com/pcos-quiz to get a personalized 7-day meal plan.
Cook Another PCOS-Friendly Lunch
Each recipe you add to your rotation makes PCOS management easier. Variety keeps you from getting bored and quitting.
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