Step 1: Prep the Veggies
1️⃣ Place the sliced carrots and red onion in a medium bowl or glass jar.
Step 2: Make the Pickling Brine
2️⃣ In a small saucepan, combine vinegar, water, sugar, salt, pepper, mustard seeds, and red pepper flakes.
3️⃣ Bring to a simmer over medium heat, stirring until sugar dissolves.
Step 3: Combine and Chill
4️⃣ Pour the hot brine over the carrots and onions.
5️⃣ Let sit at room temperature for 15–20 minutes, then refrigerate for at least 1 hour.
Step 4: Serve
6️⃣ Toss gently and garnish with fresh herbs before serving.
7️⃣ Enjoy as a snack, side, or topping for sandwiches, tacos, or grain bowls.
