Melt 1 tablespoon butter in a large skillet over medium-high heat. Add the broccoli with 2 tablespoons of water, cover, and cook 3 minutes until bright green.

Push the broccoli aside, add the remaining butter and garlic, and cook 30 seconds until fragrant.

Add the shrimp in a single layer, season with salt, pepper, and red pepper flakes, and cook 2-3 minutes per side until pink.

Squeeze over the lemon juice, toss everything together, and serve over rice.