Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper.
Trim the asparagus ends, then toss them in olive oil, salt, and pepper. Spread in a single layer on the baking sheet and roast for 10-12 minutes until tender.
Meanwhile, cook the whole wheat pasta in boiling salted water according to package instructions until al dente. Drain and set aside, reserving a splash of pasta water.
Season the chicken breast with salt and pepper. Grill or sauté the chicken over medium heat for about 6-7 minutes per side, until fully cooked. Once cooked, slice into strips.
In a small bowl, whisk together the Greek yogurt, fresh lemon juice (from the lemon), lemon zest, and chopped herbs. If the sauce is too thick, add a small amount of the reserved pasta water to reach a creamy consistency.
Combine the cooked pasta, sliced chicken, and roasted asparagus in a large serving bowl. Drizzle the creamy lemon herb sauce over and gently toss to coat all ingredients.
Serve immediately and enjoy a balanced, flavorful meal.