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 finds

Sandwich Calories Tesco Cheese Triple Sandwich 618 Tesco Sausage Bacon & & Egg Triple 570 Tesco Chicken Triple Sandwich 521 Tesco The Chicken Club Sandwich 504 Tesco Smoked Ham And Mature Cheddar Sub 488 Tesco Roast Chicken Bacon & Stuffing Sandwich 483 Tesco Free Range Egg Mayonnaise Sandwich 481 Tesco Roast Chicken Mozzarella & Pesto Sandwich 223G 468 Tesco Egg & Bacon Sandwich 452 Tesco Cheese & Pickle Sandwich 450 Tesco Bbq Chicken, Bacon & Cheese Sandwich 449 Tesco Pulled Beef & Red Leicester Sandwich 436 Tesco Bacon, Lettuce & Tomato Sandwich 435 Tesco Cheese & Onion Sandwich 432 Tesco Plant Chef Falafel Houmous Wrap 425 Tesco Chicken Tikka With Onion Bhaji Wrap 425 Tesco Southern Fried Chicken Wrap (C) 421 Tesco Smoked Bacon & Ketchup Sandwich 418 Tesco Chicken Bacon & Lettuce Sandwich 418 Tesco Deli Meat Feast Sub 417 Tesco Bbq Chicken Wrap 417 Tesco Roast Chicken & Stuffing Sandwich 411 Tesco Ploughmans Sandwich 408 Tesco Smoked Ham & Cheddar Sandwich 405 Tesco Chicken Salad Sub 402 Tesco Chicken & Chorizo Sandwich 394 Tesco Southern Fried Chicken Sub 391 Tesco Tuna Crunch Sub 387 Tesco Ham, Cheese Coleslaw Sandwich 381 Tesco Ham, Cheese Coleslaw Sandwich 381 Tesco Chicken Salad Sandwich 361 Tesco Hoisin Duck Wrap 361 Tesco Cheese Sandwich No Mayonnaise 359 Tesco Tikka Chicken & Mango Chutney Sandwich 359 Tesco Plant Chef Roasted Vegetable & Pesto Wrap 354 Tesco Plant Chef Houmous Harissa Vegetable Sandwich 353 Tesco Egg & Cress Sandwich 353 Tesco Chicken & Bacon Mayonnaise Sandwich 338 Tesco Chicken & Sweetcorn Sandwich 335 Tesco Tuna & Cucumber Sandwich 327 Tesco Smoked Ham & Mustard Sandwich 325 Tesco Tuna Crunch Sandwich 323 Tesco Prawn Mayonnaise Sandwich 318 Tesco Tuna & Sweetcorn Sandwich 317 Tesco Salmon With Sriracha Mayonnaise & Onions 143G 288 Tesco Just Ham Sandwich 248 Tesco Hoisin Duck Sushi 57G 82 Sainsbury’s Brie, Bacon & Chilli Chutney Sandwich 580 Sainsbury’s Vegan Falafel & Houmous Wrap 549 Sainsbury’s Plant Pioneers Southern Fried No Chicken Wrap 548 Sainsbury’s Southern Fried Chicken Wrap 546 Sainsbury’s On the Go Chicken & Bacon Caesar Wrap 519 Sainsbury’s On the Go Ham & Cheese Sub Roll 506 Sainsbury’s Mozzarella, Tomato, Mayonnaise & Basil Pesto Tortilla Wrap 498 Sainsbury’s On the Go Cheddar, Red Leicester & Red Onion Sandwich 484 Sainsbury’s On the Go Tomato & Basil Chicken Pasta Salad 300g 474 Sainsbury’s All Day Breakfast Sandwich 472 Sainsbury’s On the Go Southern Fried Chicken Pasta Salad 300g 469 Sainsbury’s Bacon & Free Range Egg Sandwich 465 Sainsbury’s On the Go Tuna & Sweetcorn Pasta Salad 300g 463 Sainsbury’s Red Leicester Ploughmans Sandwich 457 Sainsbury’s Bacon Butty with Tomato Sauce Sandwich 457 Sainsbury’s Cheese & Tomato Pasta Salad Pot 300g 453 Sainsbury’s Chicken Salad Sandwich 438 Sainsbury’s Plant Pioneers Vegan No Chicken Caesar Wrap 433 Sainsbury’s Oakwood Smoked Ham & Cheddar Sandwich 427 Sainsbury’s Chicken & Maple Cured Bacon Sandwich 416 Sainsbury’s Vegan Mexican Style Bean Wrap 415 Sainsbury’s Chicken Wth Pork, Sage & Onion Stuffing Sandwich 414 Sainsbury’s Maple Cured Bacon, Lettuce & Tomato Sandwich 408 Sainsbury’s Cheese Sandwich, No Mayo 397 Sainsbury’s Plant Pioneers Vegan Hoisin No Duck Wrap 396 Sainsbury’s On the Go Smoked Salmon & Cream Cheese on Oatmeal Bread 387 Sainsbury’s On the Go Prawn Layered Pasta Salad 300g 379 Sainsbury’s Seafood Cocktail Sandwich 377 Sainsbury’s Chicken & Sweetcorn Sandwich 370 Sainsbury’s On the Go Spicy Chicken Pasta Salad 275g 369 Sainsbury’s Beef, Horseradish Mayonnaise Sandwich 366 Sainsbury’s Plant Pioneers Vacon Lettuce Tomato Sandwiches 365 Sainsbury’s Tuna & Sweetcorn Sandwich 362 Sainsbury’s Egg & Cress Sandwich 359 Sainsbury’s On the Go Vegan Roasted Vegetable Pasta Salad 225g 338 Sainsbury’s On the Go Mozzarella, Tomato & Basil Pasta Salad 225g 335 Sainsbury’s Prawn Mayo Sandwich 329 Sainsbury’s Tuna Mayo Sandwich 318 Sainsbury’s Smoked Ham & Mustard Sandwich 307 Sainsbury’s Ham Sandwich, No Mayo 272 Sainsbury’s On the Go Fish Sushi Selection 150g 260 Sainsbury’s Potato & Egg Salad 300g 244 Sainsbury’s Vegetable Sushi Medium 148g 237 Sainsbury’s Chicken Ceasar Salad 205 ASDA Chicken, Bacon & Sweetcorn Pasta Salad 548 ASDA Cheese & Tomato Pasta 539 ASDA Ham & Cheese with West Country Mature Cheddar Roll 514 ASDA Cheese & Onion Sandwich 508 ASDA Chicken & Bacon with Beechwood Smoked Bacon Roll 506 ASDA Cheddar Ploughman’s with West Country Mature Cheddar Roll 493 ASDA BLT Sandwich 489 ASDA Cheese & Tomato Sandwich 466 ASDA Chicken & Bacon Caesar Wrap 459 ASDA Chicken & Bacon Sandwich 425 ASDA Ham & Cheese Sandwich 419 ASDA Cheddar Cheese Sandwich 418 ASDA Southern Fried Chicken Wrap 413 ASDA Shredded Duck with Hoisin Sauce Wrap 387 ASDA Chickenless Tikka & Onion Bhaji Wrap 386 ASDA Tuna & Sweetcorn Sandwich 383 ASDA Chicken Salad Sandwich 382 ASDA OMV! Deliciously Vegan VLT Sandwich 380 ASDA Prawn Mayonnaise Sandwich 369 ASDA Egg & Cress Sandwich 353 ASDA OMV! Deliciously Vegan No Prawn Cocktail Sandwich 321 ASDA Fish Sushi Selection 232 Morrisons Chicken Caesar Wrap 493 Morrisons Katsu Chicken Wrap 484 Morrisons Mexican Bean Wrap 456 Morrisons Chicken & Bacon Sandwich 431 Morrisons Cheese And Onion Sandwich 411 Morrisons Southern Fried Chicken Wrap 411 Morrisons Cheese & Pickle Sandwich 405 Morrisons Ham & Cheese Sandwich 396 Morrisons Deep Filled Blt Sandwich 390 Morrisons Chicken & Stuffing Sandwich 366 Morrisons Gluten Free Chicken Sandwich 364 Morrisons Plant Revolution No Hoisin Duck Wrap 360 Morrisons Egg Mayo & Cress Sandwich 360 Morrisons Chicken Salad Sandwich 348 Morrisons Chicken Tikka Sandwich 347 Morrisons Buffalo Chicken Sandwich 333 Morrisons Nourish Korean Chicken Sandwich 314 Morrisons Vegan BLT 313 Morrisons Prawn Mayonnaise Sandwich 304 Morrisons Tuna & Sweetcorn Sandwich 299 Co-op American Menu Southern Style Fried Chicken with Coleslaw & BBQ Sauce on a Chilli Wrap 495 Co-op Egg & Bacon Sandwich 474 Co-op Greek Menu Halloumi Salad Wrap 474 Co-op GRO Chick’n & Stuffin’ 465 Co-op Spinach & Pine Nut Falafel Wrap 434 Co-op Chicken & Bacon with Mayonnaise on Malted Bread 425 Co-op Hoisin Duck 416 Co-op Ham & Cheese 411 Co-op Tuna Crunch Sub Roll 411 Co-op Mexican Style Bean & Cheese White Tortilla Wrap 409 Co-op Ham & Cheese with Mayonnaise on Malted Bread 403 Co-op Egg & Cress with Mayonnaise on Malted Bread 399 Co-op Chicken & Stuffing with Mayonnaise on Malted Bread 395 Co-op Bacon Lettuce & Tomato with Mayonnaise on Malted Bread 379 Co-op Simply Cheddar Cheese with Mayonnaise on White Bread 372 Co-op Tuna & Sweetcorn with Mayonnaise on Malted Bread 340 Co-op British Chicken with Mayonnaise on Malted Bread 325 Co-op Chicken & Sweetcorn Sandwich 309 Co-op Simply Cheese & Red Onion with Mayonnaise on Malted Bread 296 Co-op Tuna with Mayonnaise on White Bread 296 Co-op Prawns with Mayonnaise on Malted Bread 294 Pret Posh Cheddar & Pickle Baguette 651 Pret Chicken Caesar Bacon Baguette 596 Pret Wiltshire-Cured Ham & Greve 596 Pret Chicken Salad Baguette 595 Pret Avo, Olive & Toms Baguette 553 Pret Italian Prosciutto Baguette 546 Pret Ham & Cheese 530 Pret Chicken Salad 520 Pret Tuna Mayo Baguette 514 Pret Mature Cheddar & Pickle 506 Pret BLT 506 Pret Plant Ploughmans Baguette 496 Pret Brie, Tomato & Basil Baguette 450 Pret Houmous & Veg 380 Pret Ham Salad 378 Pret Egg Mayo 372 Pret Tuna & Cucumber 370 Pret Slim Pole & Line Caught Tuna Mayo & Cucumber 257