Heat oven to 425 degrees. Arrange asparagus on a sheet pan. Drizzle with olive oil and sprinkle on a pinch of salt and pepper. Shake pan, coating asparagus with oil, salt, and pepper.
Roast asparagus in the oven for 18 to 20 minutes until tips are crispy.
While asparagus is roasting, melt butter in a small skillet. Add Panko breadcrumbs. Stir occasionally cooking until golden brown. Remove from heat. Stir in lemon juice, salt, and pepper.
Place asparagus on a serving platter and top with lemon breadcrumbs and feta. Serve immediately.