Creating a Southern Shrimp Boil is straightforward. Follow these steps to achieve a fantastic dish:

1. Prepare the Pot: Fill a large stockpot with water, enough to cover all ingredients. Add salt, black pepper, and Old Bay seasoning.
2. Boil the Potatoes: Bring the water to a boil over high heat. Once boiling, add the halved baby potatoes. Cook for about 10-12 minutes until they are just tender.
3. Add the Sausage: Add the sliced andouille sausage to the pot. Continue to boil for another 5 minutes to infuse flavors.
4. Incorporate Corn: Add the corn pieces to the pot and cook for an additional 5 minutes.
5. Add Garlic and Onion: Stir in the smashed garlic cloves and quartered onion. Let them boil for 5 minutes.
6. Cook the Shrimp: Finally, gently add the shrimp to the pot. Cook for 3-5 minutes until they turn pink and opaque.
7. Drain the Mixture: Carefully drain the contents of the pot into a colander to remove excess water.
8. Serve with Lemon: Squeeze the juice from the lemon halves over the shrimp boil for added brightness.

These steps will guide you in effortlessly creating a flavorful Southern Shrimp Boil that’s sure to impress.