Ninita’s Cheesy Olive Crostini

Get ready for a flavor explosion in every bite. Ninita’s Cheesy Olive Crostini is the kind of appetizer that steals the show—crispy toasted bread topped with a gooey, savory, and tangy mixture of cheddar cheese, briny black olives, red onions, and creamy mayo. It’s golden, bubbly, and impossible to stop at just one.

Behind the Recipe

This recipe comes straight from Ninita’s handwritten cookbook—well-worn and filled with gems. She always had a tray of these crostini ready for guests, and I remember how quickly they disappeared. The aroma of toasting bread and bubbling cheese would fill the kitchen, drawing everyone in before they even knew what hit them. This one’s simple, nostalgic, and absolutely addictive.

Recipe Origin or Trivia

While crostini originated in Italy as small slices of toasted or grilled bread topped with various spreads, this version has a distinctly American twist. It leans into the richness of cheddar, the creamy tang of mayo, and the salty punch of olives, creating a fusion of comfort food and elegant starter. It’s a recipe that feels both familiar and totally unique.

Why You’ll Love Ninita’s Cheesy Olive Crostini

It’s rich, melty, and packed with bold flavors—and here’s why you’ll crave it again and again:

Versatile: Perfect as an appetizer, snack, or light lunch.
Budget-Friendly: Made with simple, accessible ingredients.
Quick and Easy: Mix, spread, bake—done in under 20 minutes.
Customizable: Add herbs, switch cheeses, or try different bread.
Crowd-Pleasing: Everyone loves cheesy, salty, toasty bites.
Make-Ahead Friendly: Prep the topping mix ahead and assemble later.
Great for Leftovers: Reheat easily or serve cold for a quick snack.

Chef’s Pro Tips for Perfect Results

Want that perfect bite every time? Here’s how to make it sing:

• Use Thick Bread Slices: They hold the topping better and get crisp without drying out.
• Grate Cheese Fresh: It melts smoother and tastes better than pre-shredded.
• Chop Olives Finely: Distributes flavor evenly in every bite.
• Don’t Overbake: Just enough to melt and brown the cheese without burning the edges.
• Serve Warm: They’re most irresistible fresh from the oven.

Kitchen Tools You’ll Need

No fancy gadgets—just the kitchen essentials:

Baking Sheet: For toasting the crostini.
Mixing Bowl: To combine the topping mixture.
Serrated Knife: For slicing the bread cleanly.
Spoon or Spatula: To spread the cheesy topping.
Oven or Toaster Oven: To melt the cheese to bubbly perfection.

Ingredients in Ninita’s Cheesy Olive Crostini

Each ingredient layers in flavor and texture for the perfect bite:

1. French Bread Loaf: 1 loaf, sliced into 1-inch thick rounds – Crispy base with soft interior.
2. Shredded Cheddar Cheese: 2 cups – Sharp, melty richness on top.
3. Mayonnaise: 3/4 cup – Adds creaminess and helps everything hold together.
4. Chopped Black Olives: 1/2 cup – Salty, briny contrast to the richness.
5. Red Onion: 1/2, finely chopped – Adds a mild bite and beautiful color.
6. Garlic Powder: 1/2 teaspoon – Subtle warmth and depth.
7. Dried Oregano: 1/2 teaspoon – Earthy flavor that pairs perfectly with olives and cheese.

Ingredient Substitutions

Switch it up depending on what you have:

French Bread: Use sourdough, ciabatta, or even thick white sandwich bread.
Cheddar Cheese: Try mozzarella, Monterey Jack, or a mix of your favorites.
Mayonnaise: Greek yogurt or cream cheese can work for a tangier version.
Black Olives: Kalamata olives offer a more intense flavor.
Red Onion: Swap with green onions or shallots for a milder bite.

Ingredient Spotlight

Black Olives: These give the crostini a burst of briny, salty flavor that cuts through the richness of the cheese and mayo.

Cheddar Cheese: Melts beautifully and delivers that sharp, familiar taste that makes every bite comforting and bold.

Instructions for Making Ninita’s Cheesy Olive Crostini

This recipe is as fun to make as it is to eat—let’s dive in:

1. Preheat Your Equipment:
   Preheat your oven to 375°F and line a baking sheet with parchment paper.
2. Combine Ingredients:
   In a mixing bowl, stir together shredded cheddar, mayonnaise, chopped black olives, red onion, garlic powder, and oregano until well combined.
3. Prepare Your Cooking Vessel:
   Slice the French bread into 1-inch rounds and place them on the baking sheet.
4. Assemble the Dish:
   Spoon the cheese and olive mixture generously onto each slice, spreading to the edges.
5. Cook to Perfection:
   Bake for 10–12 minutes, or until the cheese is melted and lightly golden on top.
6. Finishing Touches:
   Remove from the oven and let cool for a few minutes—just enough to avoid burning your tongue!
7. Serve and Enjoy:
   Serve warm as an appetizer, snack, or with a light salad on the side.

Texture & Flavor Secrets

The texture is a perfect harmony: crispy on the bottom, creamy on top, with pops of salty olive and sweet onion. The mayo blends everything together while helping the cheese bubble up into gooey, golden perfection.

Cooking Tips & Tricks

These little bites are all about balance—here’s how to keep it just right:

• Mix the topping well so every slice has all the flavors.
• Use a broiler for the last minute or two if you want a more golden top.
• Let them cool slightly before serving for best flavor and texture.

What to Avoid

Here’s how to keep things from going off track:

• Don’t use too much mayo—it can make the topping too runny.
• Avoid thin bread slices—they can burn or get soggy.
• Don’t overload the topping—just enough to cover evenly.

Nutrition Facts

Servings: 8
Calories per serving: 280

Note: These are approximate values.

Preparation Time

Prep Time: 10 minutes
Cook Time: 12 minutes
Total Time: 22 minutes

Make-Ahead and Storage Tips

You can prep the topping up to 2 days ahead and store it in the fridge. Assemble and bake just before serving for best results. Leftovers can be reheated in a toaster oven or microwave for a quick snack. Avoid freezing—cheese and mayo don’t reheat well after thawing.

How to Serve Ninita’s Cheesy Olive Crostini

Serve warm on a platter with fresh herbs or an extra sprinkle of cheese on top. They pair beautifully with wine, soup, or a fresh salad. These also make a fun addition to a brunch spread.

Creative Leftover Transformations

Give leftover crostini new life:

• Chop and toss into a salad as cheesy croutons.
• Cut in halves and serve as a mini sandwich base.
• Reheat and top with a fried egg for breakfast bliss.

Additional Tips

Here are a few extra ideas to make them shine:

• Add crushed red pepper flakes for a kick.
• Stir in sun-dried tomatoes or artichoke hearts for a twist.
• Use different herbs like basil or thyme to match the meal.

Make It a Showstopper

Serve stacked on a rustic wooden board or white platter. Garnish with fresh parsley or a light drizzle of olive oil for visual pop. Use colorful plates to make the golden cheese really stand out.

Variations to Try

• Spicy Kick: Add chopped jalapeños or hot sauce to the topping mix.
• Herb Blend: Use Italian seasoning instead of plain oregano.
• Mushroom Lover’s: Mix in finely chopped mushrooms for umami.
• Mini Bites: Use baguette slices for small party-friendly portions.
• Vegan Version: Use vegan cheese and mayo alternatives.

FAQ’s

Q1: Can I make the topping ahead of time?

Yes! Mix it up to 2 days in advance and store in the fridge.

Q2: What bread works best?

Thick French bread or sourdough holds up well and toasts beautifully.

Q3: Can I freeze these crostini?

It’s not recommended—mayo and cheese change texture after freezing.

Q4: Can I make these in a toaster oven?

Absolutely, just watch closely so they don’t overbrown.

Q5: What cheese substitutes work best?

Mozzarella, Monterey Jack, or a cheddar-jack blend all melt well.

Q6: Is this recipe vegetarian?

Yes, it’s meat-free and full of flavor.

Q7: Can I serve this cold?

They’re best warm, but leftovers can be enjoyed at room temp.

Q8: What kind of olives should I use?

Canned sliced black olives are easiest, but kalamata adds depth.

Q9: How do I store leftovers?

Keep in an airtight container in the fridge for up to 3 days.

Q10: Can I use cream cheese instead of mayo?

Yes! It creates a thicker, tangier topping.

Conclusion

Ninita’s Cheesy Olive Crostini is one of those recipes that feels like a warm hug. It’s simple, satisfying, and full of flavor in every single bite. Whether you’re serving it at a party or sneaking a late-night snack, this cheesy toast will always hit the spot. Try it once, and it’ll earn a permanent place in your recipe box.

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