Prepare the Salad:
Combine mixed salad greens, cherry tomatoes, cucumber slices, red onion slices, bell peppers, and crumbled cheese in a salad bowl.

Prepare the Salmon Rolls:
Cut salmon fillets into thin strips.
Mix olive oil, salt, pepper, lemon zest, and chopped dill.
Brush mixture onto salmon strips.
Roll up each strip and secure with toothpicks.

Cook the Salmon Rolls:
Grill salmon rolls over medium-high heat for 2-3 minutes per side until cooked through and grill marks appear.

Make the Dressing:
Whisk together olive oil, lemon juice, Dijon mustard, minced garlic, salt, and pepper in a small bowl.

Assemble the Salad:
Remove toothpicks from salmon rolls.
Arrange salmon rolls on top of salad.
Drizzle dressing over salad and salmon rolls.

Serve:
Toss gently to combine.
Serve immediately.