Lunch

Chicken, Pesto and Mozzarella Toastie

Name: Chicken, Pesto and Mozzarella Toastie
Prep time: 15 min
Total time: 15 min
Yield: 1 serving
Ingredients: 2 slices, about 80 g Wholemeal bread; 120 g Chicken breast; 1 tbsp (15 g) Basil pesto; 40 g Light mozzarella; 50 g Tomato; 20 g Spinach

Wholemeal bread with chicken, a spoon of pesto and light mozzarella, pressed in a dry pan until the cheese runs. 45 g of protein for 467 kcal.

Calories: 467kcal
Protein: 45g
Fat: 16g
Carbs: 34g

Per serving, makes 1. 15 minutes of work. Published 8 September 2026.

Allergens

Gluten
Milk
Tree nuts

Supermarket loaves often contain soya flour. Check the bag.
Flagged for the cashews most supermarket jars use alongside pine nuts. A pesto made only with pine nuts carries milk alone.

Flags follow UK labelling rules and come from the ingredients as listed, not from any particular brand. Check the packet before cooking for somebody with an allergy.

Ingredients

Wholemeal bread2 slices, about 80 g
Chicken breast120 g
Leftovers from a roast are ideal. Cooked, this is about 90 g of slices. Weighed raw. The same piece weighed after cooking has lost water, so the protein per gram is higher and the total would come out about a quarter over.
Basil pesto1 tbsp (15 g)
Nearly half fat by weight. Level the spoon, and spread it thinly over both slices rather than thickly on one.
Light mozzarella40 g
Tomato50 g
Spinach20 g

Method

If the chicken is raw, fry it in a dry non-stick pan for four minutes a side until no longer pink in the middle, then slice it thinly. Cooked chicken goes straight in.
Spread the pesto over both slices of bread. Layer the chicken, sliced tomato, spinach and torn mozzarella on one, and close with the other.
Set a dry frying pan over a medium-low heat. Lay the sandwich in, put a small saucepan on top to press it, and cook for three to four minutes until the underside is brown and crisp.
Flip, press again and give it another three minutes. The cheese should be running at the edges when you cut it in half.

Worth knowing

No butter on the outside. A dry pan and a weight on top get the bread crisp on their own, and the butter is the part of a café toastie that pushes the fat up.
Light mozzarella melts less gracefully than the full-fat sort, but at 40 g it is 8 g of protein for well under half the fat.

Other lunch recipes that share ingredients with this one, or every lunch between 450 and 600 calories a serving.

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Macros are calculated from the weights listed above using standard food composition values, and will shift with your own brands and measuring. Weigh what you can. This is a recipe, not dietary advice. The full health disclaimer is below.