How bad is YOUR sandwich for the environment? Prawn mayo has the same carbon footprint as driving from London to Brighton – while egg is more climate-friendly, study shows

SandwichCaloriesTesco Cheese Triple Sandwich618Tesco Sausage Bacon & & Egg Triple570Triple chicken sandwich from Tesco521Tesco The Chicken Club Sandwich504Tesco Smoked Ham And Mature Cheddar Sub488Tesco Roast Chicken Bacon & Stuffing Sandwich483Tesco Free Range Egg Mayonnaise Sandwich481Tesco Roast Chicken Sandwich Mozzarella & Pesto 223G468Tesco sandwich with egg and bacon452Tesco Cheese & Pickle Sandwich450Tesco BBQ Sandwich with chicken, bacon and cheese449Tesco Pulled Beef & Red Leicester sandwich436Tesco Bacon, Lettuce & Tomato Sandwich435Tesco Cheese & Onion Sandwich432Tesco Plant Chef Falafel Houmous Wrap425Tesco Chicken Tikka With Onion Bhaji Wrap425Tesco Southern Fried Chicken Wrap (C)421Tesco sandwich with smoked bacon and ketchup418Tesco Chicken Bacon & Lettuce Sandwich418Tesco Deli Meat Feast Sub417Tesco BBQ Chicken Wrap417Tesco Roast Chicken & Stuffed Sandwich411Tesco Ploughmans sandwich408Tesco Smoked Ham & Cheddar Sandwich405Tesco Chicken Salad Sub402Tesco Chicken & Chorizo ​​sandwich394Tesco Southern Fried Chicken Sub391Tesco Tuna Crunch Sub387Tesco Ham, Cheese Coleslaw Sandwich381Tesco Ham, Cheese Coleslaw Sandwich381Tesco Chicken Salad Sandwich361Duck wrap from Tesco Hoisin361Tesco Cheese Sandwich No Mayonnaise359Tesco Tikka sandwich with chicken and mango chutney359Tesco Plant Chef Roasted Vegetable & Pesto Wrap354Tesco Plant Chef Houmous Harissa Vegetable Sandwich353Tesco Egg & Cress Sandwich353Tesco Chicken & Bacon Mayonnaise Sandwich338Tesco sandwich with chicken and sweetcorn335Tesco Tuna & Cucumber Sandwich327Tesco Smoked Ham & Mustard Sandwich325Tesco Tuna Crunch sandwich323Tesco Shrimp Mayonnaise Sandwich318Tesco Tuna & Sweetcorn Sandwich317Tesco Salmon With Sriracha Mayonnaise & Onions 143g288Tesco plain ham sandwich248Tesco Hoisin Duck Sushi 57G82Sainsbury’s Brie, Bacon & Chilli Chutney Sandwich580Sainsbury’s Vegan Falafel & Houmous Wrap549Sainsbury’s Plant Pioneers Southern Fried No Chicken Wrap548Sainsbury’s Southern Fried Chicken Wrap546Sainsbury’s On the Go Chicken & Bacon Caesar Wrap519Sainsbury’s On the Go Ham & Cheese Sub Roll506Sainsbury’s Mozzarella, Tomato, Mayonnaise & Basil Pesto Tortilla Wrap498Sainsbury’s On the Go Sandwich with cheddar, red leicester and red onion484Sainsbury’s On the Go Tomato & Basil Chicken Pasta Salad 300g474Sainsbury’s all day breakfast sandwich472Sainsbury’s On the Go Southern Fried Chicken Pasta Salad 300g469Sainsbury’s Bacon & Free Range Egg Sandwich465Sainsbury’s On the Go Pasta Salad Tuna & Sweetcorn 300g463Sainsbury’s Red Leicester Ploughmans Sandwich457Sainsbury’s Bacon Butty with Tomato Sauce Sandwich457Sainsbury’s Cheese & Tomato Pasta Salad Jar 300g453Sainsbury’s chicken salad sandwich438Sainsbury’s Plant Pioneers Vegan Without Chicken Caesar Wrap433Sainsbury’s Oakwood Sandwich with smoked ham and cheddar427Sainsbury’s Chicken & Maple Cured Bacon Sandwich416Sainsbury’s Mexican style vegan bean wrap415Sainsbury’s Chicken With Pork, Sage & Onion Stuffing Sandwich414Sainsbury’s Maple Cured Bacon, Lettuce & Tomato Sandwich408Sainsbury’s Cheese Sandwich, no mayo397Sainsbury’s Plant Pioneers Vegan Hoisin No Duck Wrap396Sainsbury’s On the Go Smoked Salmon & Cream Cheese on Oatmeal Bread387Sainsbury’s On the Go Shrimp Layered Pasta Salad 300g379Sainsbury’s seafood cocktail sandwich377Sainsbury’s Chicken & Sweetcorn Sandwich370Sainsbury’s On the Go Spicy Chicken Pasta Salad 275g369Sainsbury’s Beef, Horseradish Mayonnaise Sandwich366Sainsbury’s Plant Pioneers Vacon Lettuce Tomato Sandwiches365Sainsbury’s Tuna & Sweetcorn Sandwich362Sainsbury’s Egg & Cress Sandwich359Sainsbury’s On the Go Vegan Roasted Vegetable Pasta Salad 225g338Sainsbury’s On the Go Pasta Salad Mozzarella, Tomato & Basil 225g335Sainsbury’s Shrimp Mayo Sandwich329Sainsbury’s Tuna Mayo Sandwich318Sainsbury’s Smoked Ham & Mustard Sandwich307Sainsbury’s Ham sandwich, No Mayo272Sainsbury’s On the Go Fish Sushi Selection 150g260Sainsbury’s Potato & Egg Salad 300g244Sainsbury’s Vegetable Sushi Medium 148g237Sainsbury’s Caesar Salad with Chicken205ASDA Pasta Salad with Chicken, Bacon & Sweetcorn548ASDA Pasta with Cheese & Tomatoes539ASDA Ham & Cheese with West Country Mature Cheddar Roll514ASDA Cheese & Onion Sandwich508ASDA Chicken & Bacon with Beech Wood Smoked Bacon Bun506ASDA Cheddar Ploughman’s with West Country Mature Cheddar Roll493ASDA BLT sandwich489ASDA Cheese & Tomato Sandwich466ASDA Caesar Wrap Chicken & Bacon459ASDA Chicken & Bacon Sandwich425ASDA Ham & Cheese Sandwich419ASDA Cheddar Cheese Sandwich418ASDA southern fried chicken wrap413ASDA Shredded Duck with Hoisin Sauce Wrap387ASDA Chickenless Tikka & Onion Bhaji Wrap386ASDA Tuna & Sweetcorn Sandwich383ASDA Chicken salad sandwich382ASDA OMV! Delicious vegan VLT sandwich380ASDA Shrimp Mayonnaise Sandwich369ASDA Egg & Cress Sandwich353ASDA OMV! Delicious vegan sandwich without shrimp cocktail321ASDA Fish Sushi Selection232Morrisons chicken caesar wrap493Morrisons Katsu Chicken Wrap484Morrisons Mexican Bean Wrap456Morrisons Chicken & Bacon Sandwich431Morrisons Cheese And Onion Sandwich411Morrisons southern fried chicken wrap411Morrisons Sandwich with cheese and pickle405Morrisons Ham & Cheese Sandwich396Morrisons Deep Stuffed Blt Sandwich390Morrisons Chicken & Stuffing Sandwich366Morrisons gluten free chicken sandwich364Morrisons Plant Revolution No Hoisin Duck Wrap360Morrisons Egg Mayo & Cress Sandwich360Morrisons Chicken Salad Sandwich348Morrisons Chicken Tikka Sandwich347Morrison’s buffalo chicken sandwich333Morrisons Nourish Korean chicken sandwich314Morrisons vegan BLT313Morrisons Shrimp Mayonnaise Sandwich304Morrisons Tuna & Sweetcorn Sandwich299Co-op American Menu Southern Style Fried Chicken with Coleslaw & BBQ Sauce on a Chilli Wrap495Co-op Egg & Bacon Sandwich474Co-op Greek Menu Halloumi Salad Wrap474Co-op GRO Chick’n & Stuffin’465Co-op Spinach & Pine Nut Falafel Wrap434Co-op Chicken & Bacon with mayonnaise on malted bread425Co-op Hoisin Duck416Coop Ham & Cheese411Co-op Tuna Crunch Sub role411Co-op white tortilla wrap with beans and cheese Mexican style409Co-op Ham & Cheese with Mayonnaise on Malted Bread403Co-op Egg & Cress with mayonnaise on malted bread399Co-op Chicken & Stuffing with Mayonnaise on Malted Bread395Co-op bacon, lettuce and tomato with mayonnaise on malted bread379Co-op Plain Cheddar Cheese With Mayonnaise On White Bread372Co-op Tuna & Corn With Mayonnaise On Malted Bread340Co-op British chicken with mayonnaise on malted bread325Co-op Chicken & Sweetcorn Sandwich309Co-op Plain cheese and red onion with mayonnaise on malted bread296Co-op Tuna With Mayonnaise On White Bread296Co-op Shrimp with Mayonnaise on Malted Bread294Fun Posh Cheddar & Pickle Baguette651Pret Chicken Caesar Bacon Baguette596Fun Wiltshire-cured Ham & Greve596Fun Chicken Salad Baguette595Pret Avo, Olive & Toms Baguette553Fun Italian Prosciutto Baguette546Fun Ham & Cheese530Fun Chicken Salad520Fun Tuna Mayo Baguette514Fun Matured Cheddar & Gherkin506Fun BLT506Fun Plant Ploughmans Baguette496Pret Brie, Tomato & Basil Baguette450Pret Houmous & Veg380Fun Ham Salad378Fun Egg Mayo372Fun Tuna & Cucumber370Pret Slim Pole & Line Caught Tuna Mayo & Cucumber257