Bring water and 2 tsp salt to a boil, then cook for 15-20 minutes, or until fork-tender.
Preheat oven to 425°F. Line a baking sheet with parchment paper.
Place potatoes spaced apart. Use a paper towel to thoroughly dry the potatoes.
Use a glass or potato masher to gently smash to about ½ inch thickness.
Mix oil and butter, then brush the smashed potatoes with the mixture.
Combine the garlic, salt, pepper, paprika, and garlic powder, and season the potatoes.
Bake for 20-25 minutes, until the edges are golden and crisp. Garnish with fresh parsley.
In a bowl, whisk together the garlic aioli ingredients.
Serve the potatoes with a side of sauce and enjoy friends!