Ontario Potato Rösti Eggs Florentine

Ingredients

• 1 Lb. Yukon Gold Potatoes, Scrubbed
• 1/2 Tsp. Kosher Salt
• 3 Tbsp. Unsalted Butter, Divided
• 2 Tbsp. Neutral Oil (Eg. Canola Oil)
• 1 Tbsp. White Vinegar
• 4 Large Ontario Eggs
• 2 Tbsp. Olive Oil
• 2 Cloves Garlic, Thinly Sliced
• 1 Tsp. Crushed Red Pepper Flakes
• 312g Baby Spinach
• 1/2 Tsp. Salt
• 1 Tbsp. Lemon Juice
• 2 Large Egg Yolks
• 1 Tsp. Water
• 1 Tsp. Lemon Juice
• Pinch Salt
• 1/2 Cup Unsalted Butter, Melted and Hot
• 1/8 Tsp. Cayenne, For Sprinkling