Homemade Keto Alfredo Sauce (Rich, Creamy & Ready in 15 Minutes)

Quick Facts

⏱️ Prep Time: 5 minutes

⏱️ Cook Time: 10 minutes

⏱️ Total Time: 15 minutes

🍽️ Servings: 6

📊 Difficulty: Easy

💰 Cost: $8-12

Dietary Info

Keto-friendly
Low-carb
Gluten-free
Contains dairy

Equipment Needed

Essential:

Medium saucepan (or non-stick pan)
Whisk
Measuring cups

Optional:

Cutting board
Garlic press
Cheese grater

Ingredients

Base Sauce:

¼ cup (60g) unsalted butter
3 cloves garlic, minced
1½ cups (360ml) heavy whipping cream
1 cup (100g) parmesan cheese, freshly grated
2 oz (56g) cream cheese, softened (optional)

Seasonings:

Salt and pepper to taste
Pinch of nutmeg (optional)
½ tsp Italian seasoning (optional)

Fresh ingredients for alfredo sauce arranged on a marble countertop in a modern kitchen with natural daylight and modern cookware

Method

Melt butter in saucepan over medium heat
Add minced garlic, sauté for 2-3 minutes until fragrant (don’t let it brown)

Sauteed garlic in melted butter in a modern kitchen with warm, earthy color grading

Reduce to medium-low heat
Pour in heavy cream, whisk constantly

Heavy cream pouring into a saucepan with garlic butter in a modern kitchen

Add softened cream cheese if using, whisk until smooth
Gradually stir in parmesan cheese until fully melted

Freshly grated parmesan cheese being mixed into a creamy mixture in a modern kitchen with sunlight streaming in

Season with salt, pepper, and optional spices
Simmer for 5-10 minutes until sauce coats the back of a spoon

Alfredo sauce with specks of garlic and herbs on wooden spoon in modern kitchen with green subway tile backsplash and copper pots

Crucial Tips

Use freshly grated parmesan (pre-grated won’t melt properly)
Keep heat medium-low to prevent separation
Whisk continuously while adding cheese
Don’t skip the garlic-butter step – it’s crucial for flavor

Storage & Reheating

Refrigerate up to 6 days in airtight container
Reheat slowly on stovetop, whisking to prevent separation
Does not freeze well unless egg yolk is added

Common Mistakes to Avoid

Using pre-grated cheese
Heating too quickly
Not whisking enough
Using cold cream cheese

Variations

Classic: Add egg yolk for extra richness
Herbed: Mix in fresh basil or parsley
Spicy: Add red pepper flakes
Extra Cheesy: Mix in Romano cheese

Serving Suggestions

Perfect over:

Zucchini noodles
Palmini noodles
Shirataki noodles
Steamed vegetables
Chicken or fish

Nutritional Information

Net Carbs per Serving: 2g

Calories per Serving: 325

Protein per Serving: 8g

Fat per Serving: 31g