Restaurant-quality, 12 minutes. 42g protein, $3.50/plate.

Cook rice. Pat shrimp dry with paper towels.
Melt butter in a skillet over medium-high heat.
Sear shrimp 2 min per side until pink. Remove from pan.
Same pan: add garlic, cook 30 sec. Add lemon juice + pepper flakes.
Return shrimp to pan. Toss in sauce. Serve over rice with parsley.