French Onion and Spinach Dip with Caramelized Onions
A rich and creamy dip blending caramelized onions and fresh spinach with a tangy French onion base, perfect for parties or snacking. This french-inspired snacks ready in about 50 minutes blends medium yellow onions, unsalted butter, fresh spinach into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 210 calories and feeds 6, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 3 medium yellow onions
- 3 tbsp unsalted butter
- 3 cups fresh spinach
- 1 cup sour cream
- 1/2 cup mayonnaise
- 4 oz cream cheese
- 2 cloves garlic clove
- 1 tsp Worcestershire sauce
- 3/4 tsp salt
- 1/2 tsp black pepper
- 1/4 cup grated Gruyère cheese
Instructions
- Step 1: Thinly slice 3 medium yellow onions and melt 3 tbsp unsalted butter in a large skillet over medium-low heat; add onions and cook slowly for 30 minutes, stirring frequently, until deeply golden and caramelized.
- Step 2: Roughly chop 3 cups fresh spinach and add to the skillet with onions; cook for 3-4 minutes until spinach wilts and excess moisture evaporates.
- Step 3: Mince 2 garlic cloves and stir into the onion-spinach mixture; cook for 1 minute until fragrant.
- Step 4: In a medium bowl, combine 1 cup sour cream, 1/2 cup mayonnaise, 4 oz softened cream cheese, and 1 tsp Worcestershire sauce; mix until smooth.
- Step 5: Fold the caramelized onion and spinach mixture into the creamy base, then season with 3/4 tsp salt and 1/2 tsp black pepper.
- Step 6: Transfer to a serving bowl, sprinkle 1/4 cup grated Gruyère cheese on top, and chill for 1 hour before serving with crackers or fresh vegetables.
Frequently asked questions
How long does French Onion and Spinach Dip with Caramelized Onions take to make?
Total time is about 50 minutes (15 min prep + 35 min cook). A small batch typically covers several meals in the week — store as the recipe directs.
How do I store leftover French Onion and Spinach Dip with Caramelized Onions?
Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.
Can I substitute ingredients in French Onion and Spinach Dip with Caramelized Onions?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale French Onion and Spinach Dip with Caramelized Onions for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with French Onion and Spinach Dip with Caramelized Onions?
French snacks like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
My family couldn't stop eating it. The spinach adds a nice touch.
- ★★★★★
Made this for a game day, everyone loved the spinach and onion combo.
- ★★★★★
This dip is a hit at my dinner party! The caramelized onions are perfect.
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