Put the blue cheese dressing in a bowl and grind it with a hand blender.
Season sirloin steak with salt and pepper.
Grease a pan over medium heat and grill the steak for about 3-4 minutes per side.
Put the grilled steak on a plate, cover it with foil, rest it for about 10 minutes, and slice it.
Tear the surface of corn with a torch and cut off the roasted part.
Cut cherry tomatoes in half.
Place rucola in a bowl and top with steak, corn, blueberries, tomatoes, and edible flowers.
Sprinkle the prepared blue cheese dressing to complete!