Cook the pasta

• Bring salted water to a boil in a pot and cook the pasta until al dente.
• Reserve some pasta water, then drain the pasta.

Dice the garlic

• Dice the garlic as finely as possible.

Start the sauce base

• Melt the butter in a pan over medium heat.
• Add the garlic, oregano and flour and stir to combine.

Make it creamy

• Pour in the milk while whisking.
• Add the Asiago cheese and stir until the sauce is smooth and creamy.

Add spinach and pasta

• Stir in the spinach and a splash of pasta water.
• Toss in the pasta until well coated and serve.