Start by melting the unsalted butter in a large pot over medium heat. You will know it is ready when it is bubbly and slightly foamy. This creates a rich base for the sauce and adds a lovely aroma to your kitchen. Be careful not to let it brown.
Add the minced garlic to the pot and let it sizzle for about a minute until you can smell the garlicky aroma. Keep an eye on the garlic to prevent it from burning, as burnt garlic can turn bitter.
Pour in the milk and chicken stock, giving it a gentle stir. Allow the mixture to come to a simmer, watching for little bubbles to form around the edges. Maintain controlled heat to avoid boiling.
Once the liquid is simmering, toss in your dried fettuccine and salt. Stir well to separate the noodles so they begin to soften and absorb the flavors. Stir occasionally to prevent sticking to the bottom.
Sprinkle the cracked black pepper into the pot and stir through the pasta. The sauce will start to thicken slightly, contributing a peppery kick to the dish. Adjust the seasoning to taste, but be cautious not to overdo it.
Once the fettuccine is cooked to your liking, mix in the grated parmesan cheese, stirring until it is melted and creamy. If the sauce appears runny, allow it to simmer for a few more minutes to achieve a nice coating on the pasta. Avoid adding too much cheese at once to prevent clumping.
Serve the pasta in bowls, sprinkling more grated parmesan on top for that final touch. Enjoy it while hot, as it is best served fresh off the stove.