Mix 1 tablespoon liquid dish soap with 4 cups lukewarm water. Stir the ingredients to create a sudsy mixture.
Dampen a microfiber cloth with the mixture and wipe down the counter to remove any loose dirt, debris and food particles. Rinse the countertop with a separate damp cloth.
Mix 1/2 cup of white vinegar, 1/2 cup of lukewarm water and 1 teaspoon mineral oil. Stir the ingredients until they are well-incorporated.
Dampen a microfiber cloth with the mixture and use it to polish the laminate countertop. Allow the polish to remain for at least 10 minutes before buffing the counter with a separate microfiber cloth to restore its shine and remove any remaining polish.