Place peeled garlic cloves and olive oil in a pot over medium heat; cook until garlic is soft (5-6 minutes).
Remove from heat; set aside. Bring milk to a boil; remove from heat.
Add polenta to pan; mash until smooth.
Add egg, 1 tablespoon chopped parsley, butter, crushed red pepper, salt, and pepper to pan; bring to boil. Reduce heat, and cook until thick (about 5 minutes).
Transfer into 6 (6-ounce) ramekins; sprinkle each with 2 tablespoons plus 2 teaspoons Parmesan cheese.
Cut 1/4 baguette into 12 slices; drizzle evenly with the garlic oil, and sprinkle each with 1 teaspoon Parmesan.
Bake 2-3 minutes. Top each ramekin with 3 garlic cloves.
Sprinkle ramekins evenly with a total of 1 tablespoon chopped parsley; serve with 2 crostini.