Toast the pine nuts in a dry skillet over medium heat for 3-4 minutes, stirring frequently until fragrant and lightly golden, then set aside to cool. While the nuts toast, mince the garlic, trim the asparagus by snapping off the woody ends (they'll break naturally at the tender point), dice the tomatoes and red onion, peel and slice the cucumber, seed and halve the olives, crumble the feta, and chop the parsley. Having everything prepped means you can focus on grilling and assembling without interruption.

In a small bowl, whisk together the red wine vinegar, lemon juice, minced garlic, dried oregano, Dijon mustard, salt, black pepper, and red pepper flakes. Slowly drizzle in the olive oil while whisking constantly to emulsify the dressing—this creates a cohesive sauce rather than a separated one. Taste and adjust seasoning as needed. Set aside at room temperature; I find the flavors develop nicely while the asparagus is grilling.

Preheat your grill to high heat. Toss the trimmed asparagus with 2 tablespoons olive oil, 1/2 teaspoon salt, and 1/2 teaspoon black pepper until evenly coated. Arrange the spears perpendicular to the grill grates (or use a grill basket) and cook for 5-6 minutes, rolling them occasionally, until they have light char marks and are tender-crisp. I like to keep the asparagus slightly firm—it holds up better in the salad and provides nice textural contrast.

Transfer the grilled asparagus to a cutting board and let it cool for 2-3 minutes until it's comfortable to handle. Cut the spears into 2-inch pieces, discarding any excessively charred ends if desired. The asparagus will continue to soften slightly as it cools, so catching it while still slightly warm makes cutting easier.

In a large bowl, combine the cooled asparagus pieces with the diced tomatoes, sliced cucumber, diced red onion, halved olives, and crumbled feta. Pour the vinaigrette from Step 2 over the vegetables and toss gently to coat everything evenly. Let the salad sit for 2-3 minutes to allow the flavors to meld, then taste and adjust seasoning if needed.

Transfer the salad to a serving platter or individual plates. Top with the toasted pine nuts and fresh parsley just before serving to maintain their texture and color. Serve immediately while the asparagus is still slightly warm—the contrast between the warm grilled spears and cool crisp vegetables is part of what makes this salad special.