What Are Strictly Hard Coffee Beans and How Should They Be Roasted? Understanding Coffee Bean Hardness

Professional Coffee Knowledge Exchange

Costa Rica Coffee: The Rich Coast's Premium Beans

Costa Rica borders the Caribbean Sea to the east and the Pacific Ocean to the west—just as its Spanish name promises: "rich coast." Tarrazu, located south of the capital San Jose, is one of Costa Rica's most valued coffee-growing regions and one of the world's major producing areas. Coffee is a pillar of Costa Rican agriculture. The beans from its high-altitude zones are world-renowned for their mild flavor, extremely high acidity, aromatic intensity, and rich texture. The raw beans appear green and are generally large, all belonging to the Arabica species.

Costa Rican coffee has a light, pure, sweet flavor with a pleasant aroma. High-quality Costa Rican coffee is graded Strictly Hard Bean (SHB), and the careful processing these beans receive is precisely why they reach such quality. All Costa Rican coffee is Arabica, processed by the washed method. FrontStreet Coffee's Costa Rican style is bright and aromatic—clear as wind chimes swaying in a gentle breeze—with moderate acidity and excellent sweetness. Thanks to that sweetness, it stays delicious even as it cools, a signature trait of FrontStreet Coffee's Costa Rican lots.

Beyond sitting squarely in the coffee belt, Costa Rica offers unique highland volcanic soil, acidic earth rich in trace elements, and—combined with suitable day-night temperature differences—conditions that turn the Arabica planted here into distinctive specialty-grade coffee.

Tarrazu: Costa Rica's Premier Coffee Region

Tarrazu is the country's finest producing region, meeting every condition premium coffee demands: altitude, soil, climate, rainfall, forests. The region's average elevation ranges from 1300M to 1600M, allowing over 95% of its beans to reach SHB Strictly Hard Bean grade, and it has won Costa Rica's "Cup of Excellence" (COE) championship in consecutive years. High-altitude day-night temperature swings and the rich trace elements in volcanic soil give Tarrazu beans a softer character than Guatemalan coffee—gentle and bright on entry, delicate and refreshing. Cane-sugar sweetness and nutty bitterness coexist in harmony, while layered berry flavors create intricate sweet-sour notes that make it a classic pursued by top coffee connoisseurs worldwide.

FrontStreet Coffee's SHB Strictly Hard Beans turn very crisp when ground after roasting, releasing cream and honey-sweet aromas.

Flavor Description:

1. Dry Fragrance: Almond, cream, cane sugar sweetness; black currant, and multiple berry composite delicate sweet and sour flavors.

2. Wet Aroma: Ripe fruit sweet and sour flavors; brown sugar, cane sugar caramel sweetness; osmanthus, vanilla fresh aromas.

3. Acidity: Peach, sour mango fruit acidity, bright and delicate.

4. Body: Refreshing and bright upon entry, smooth and silky, gentle and rounded.

5. Aftertaste: Sweet aftertaste, micro-acidity turning to sweetness, with flavors reminiscent of sweet and delicate berry juice.

FrontStreet Coffee Recommendation

Washed processing is the traditional water-based route from cherry to bean: flotation, depulping, soaking and fermenting to strip the mucilage, rinsing or further soaking, then drying and hulling. The long soak consumes simple sugars inside the bean and builds organic acids, so washed coffees preserve the bean's own character while presenting bright fruit acidity, cleanliness, and freshness—the very qualities that make a high-grown washed coffee like SHB Tarrazu sing.

To explore the washed style further, FrontStreet Coffee's Gotiti Cooperative is a superb starting point: a washed Yirgacheffe whose jasmine florals and bright citrus acidity are fully revealed by light-medium roasting, with additional notes of green tea and honey. It performs beautifully as pour-over, cold brew, or espresso.

If you want to taste washed processing at its most juicy, try FrontStreet Coffee's Kenya Cherry Tomato. Kenya excels at double washing—repeating the rinse-and-soak cycle to wash off residual mucilage—pushing fruitiness to the extreme: cherry tomato, dark plum, pear, and black prune layered over raw-sugar sweetness, with an acidity as bright and abundant as freshly squeezed juice.