Heat a large skillet over medium heat and add a tablespoon of butter. Allow it to melt and foam gently, filling the kitchen with a warm, nutty aroma.
Add the finely chopped garlic to the skillet. Sauté for about 30 seconds until fragrant and slightly golden, releasing a rich aroma that perfumes the air.
Pour in the thawed, drained peas, stirring well to coat them evenly in the garlic butter mixture. Cook for 2-3 minutes, watching for the peas to turn a vibrant green and become tender with a slight pop.
Season with a pinch of salt and freshly cracked black pepper. Squeeze a little lemon juice over the peas if you like a bright, citrusy finish. Stir everything together and cook for another minute until heated through and glossy.
Remove from heat and transfer to a serving bowl. The peas should be tender, glossy, and coated in fragrant garlic butter, ready to serve hot as a comforting, flavorful side.