01 -
Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
02 -
In a medium bowl, combine softened butter, minced garlic, parsley, chives, thyme, chili flakes, smoked paprika, salt, black pepper, and lemon zest until fully incorporated.
03 -
Place mixed vegetables in a large bowl. Add cowboy butter and toss to evenly coat all pieces.
04 -
Spread coated vegetables in a single layer on the prepared baking sheet.
05 -
Roast in the preheated oven for 25 to 30 minutes, stirring halfway through, until vegetables are golden and caramelized on edges.
06 -
Remove from oven, drizzle with lemon juice, and toss gently. Transfer to serving platter, garnish with additional herbs if desired, and serve warm.